ASME PCC-2 Study Guide
Questions
Practice Questions for API 570 Exam
This following is a 5tudy Guide that helps you learn the details of ASME PCC-2, Repair of
Pressure Equipment c Piping
2022 Edition. There will probably be about 5-12 questions from
this document on your API exam. We do NOT spend much time in class discussing this publication.
So, it is important that you become familiar with this content in your personal study sessions.
-
The questions in this Guide are list in the order of the Pepair Topics. An answer key is provided at
the end of the Guide. We suggest you read the specific Pepair Topic a couple of times before
answering the questions. bo this Study Guide multiple times prior to your Apr exam! Your Soal
be able to score 85.7. on this guidel Questions highlighted in Yellow are Open Book Questions?
Good News? The majority of the PCC-2 questions will be Open Rook!
Article 201:
An insert plate is being used to repair a vessel shell that has experienced localized corrosion.
Which of the following is correct? This may have more than one correct answer, select all
answers that apply.
1.
2.
A.
The repair plate must be the same material as the vessel shell.
B.
The repair plate should be the same material as the vessel shell.
C.
Ii
The repair plate must have the same P-Number as the vessel material.
The repair plate should have the same P-Number as the vessel material.
The thickness of a butt-welded insert plate:
A.
B.
C.
b.
3.
5.
should be as thick as the current thickness of the adjacent shell piece.
must be as thick as the current thickness of the adjacent shell piece.
should be as thick as the nominal thickness of the adjacent shell piece.
must be as thick as the nominal thickness of the adjacent shell piece.
A 1.5 thick rectangular insert plate is being install per ASME PCC-2. What is the minimum
allowed corner radius?
A.
B.
4.
Buff-Welded Insert Plates
1”
3”
C.
b.
6”
12”
A square insert plate that is 1” thick is being install in a vessel in accordance with ASME PCC
2. What is the minimum allowed corner radius?
A.
1”
B.
3”
C.
b.
6”
12”
A rectangular insert plate that is 3/8” thick is being install per ASME PCC-2. What is the
minimum allowed corner radius:
A.
8.
MST5
1”
2”
C.
b.
3”
Unspecified radius
1
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
A 1.5” thick insert plate is being instali in a carbon steel vessel. The new welds will not be
post weld heat treated. Per ASME PCC-2, what is the minimum dimension far patch plate
(length, width or diameter)?
6.
A.
B.
A.
8.
12”
15”
C.
IX
6”
9”
A 1.00” thick insert plate is being install per A5ME PCC-2? The new welds will be post-weld
heat-treated. What is the minimum diameter for patch plate?
8.
A.
8.
6”
12”
C.
0.
18”
24”
When installing on insert patch, the structural stability of the vessel may be affected in
which of following situations?
9.
A.
B.
C.
0.
Any unsupported plate with a cutout in 300 Series 55 vessel
Unsupported plates with a large repair cutout
Adding an insert plate which includes a nazzle
Replacing a stiffener ring far a vessel in vacuum service
A 4 NPS (4.5” 00) is being installed on a carbon steel vessel using a new insert plate. The
nozzle-to-shell weld is not post-weld-heat-treated. What is the minimum size (diameter) of
insert plate allowed by ASME PCC-2?
10.
A.
8.
9”
10.5”
C.
0.
12”
16.5”
A 16 NPS (16” 0b) is being installed on a carbon steel vessel using a new insert plate. The
nozzle-to-shell weld is not post-weld-heat-treated. What is the minimum size (diameter) of
insert plate allowed by ASME PCC-2?
11.
A.
8.
22”
24”
C.
0.
28”
32”
A round insert patch is installed in a vessel tube. The standard bevel for the tube and the
repair patch is:
A.
8.
13.
18”
24”
C.
b.
A carbon steel 0.750’ thick insert plate is being install per ASME PCC-2? The new welds will
not be PWRT’ed. What is the minimum dimension for patch plate (length, width or diameter)?
7.
12,
12”
15”
15 30 degrees.
22.5- 37.5 degrees.
-
C.
0.
25
33
-
-
35 degrees.
45 degrees.
A rectangular insert patch is cold rolled to the proper curvature of the shell. The insert
plate should be appropriately heat treated if the fiber elongation from cold rolling exceeds:
A.
8.
MSTS
0.5% elongation.
1% elongation.
C.
0.
2.5% elongation.
5% elongation.
2
November 2023
ASME PCC— 2 Study Guide
Practice Questions for API 570 Exam
14.
When an insert plate is used for a repair, the maximum amount of misalignment allowed is:
A.
B.
15
B.
Cracking
bistortion
C.
Li
Embrittlement
Flat spot
SMAW
GTAW
C.
b.
SAW
SMAW
All GMAW modes
GMAW Globular mode
C.
b.
GMAW Short-circuit mode
GMAW Spray mode
0.031”
0.050”
C.
b.
The maximum undercut
0.062”
0.100”
An insert patch that is 0.375” thick is installed in a shell. Per ASME PCC-2, the minimum
spacing allowed between this new weld and an existing non-PWHId welds is;
A.
B.
22.
Weld procedure qualification should meet the applicable construction code.
Welder qualification should meet the applicable construction code.
Recommended to use low-hydrogen electrodes.
The weld must be a double-welded design.
An insert patch that is 0.500” thick is installed in a vessel shell.
allowed for the patch weld is:
A.
B.
21.
3”.
6’.
An insert plate is used in a small diameter vessel. There is no way to weld from the inside.
What welding process is not recommended for welding any pass?
A.
B.
20.
C.
b.
An insert plate is used in a small diameter vessel. There is no way to weld from the inside.
So, this will be a one-sided weld. What welding process is recommended for the root pass?
A.
19.
2 times the offset.
3 times the offset.
Which of the following is not a potential concern when installing carbon steel insert plates?
A.
B.
18.
3/16”.
based on the applicable construction code.
A rectangular carbon steel insert patch is installed in a vessel shell. Which of the following is
correct? This may have more than one correct answer, select all answers that apply.
A.
B.
C.
D.
17.
C.
b.
An insert plate is used for a vessel repair. The misalignment exceeds what is allowed. The
edge of the insert plate shall be tapered. The length of the taper must not be less than:
A.
B.
16.
1/16”.
1/8”.
1.5”.
3”.
C.
b.
6”.
8”.
An 0.750” thick insert patci is installed in a vessel shell. Per ASME PCC-2, the minimum
spacing allowed between this new weld and an existing non-PWI-lTd weld is:
A.
B.
M5TS
6”.
8”.
C.
Li
10”.
12”.
3
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
A 1.500’ thick insert patch is installed in a vessel sheli. Per ASME PCC-2, the minimum
spacing allowed between this new weld and an existing non-PWHTd weld is:
23.
A.
B.
A.
B.
A.
B.
3”.
6”.
C.
b.
10’.
12”.
10 degrees.
22.5 degrees.
C.
D.
The
30 degrees.
45 degrees.
A 0.750” thick insert patch is installed in a vessel shell. The insert plate stops at an existing
weld. It intersects the existing weld at 90 degrees. Per A5ME PCC-2, what is the minimum
distance to be cut the existing welds beyond the new insert plates welds?
26.
A.
B.
6”
9”
C.
b.
12”
18”
The insert plate stops at an existing weld It intersects the existing weld at 90 degrees.
How must all of the replaced existing welds be examined?
A.
B.
C.
b.
100% PT or UT at completion
100% PT or MT at completion
100°h PT or UT at completion or MT or PT bath sides at the completion of weld
100% MT or PT on root pass and completion of weld
An insert plate is used to repair a vessel. Postweld heat treatment of the insert plate:
A.
B.
C.
b.
29
10”.
12”.
An insert plate is used to repair a vessel. It is impractical to avoid an existing weld.
insert plate should intersect the existing weld at an angle not less than:
25.
28.
C.
Ii
A 1.500” thick insert patch is installed in a vessel shell. The adjacent existing weld was
previously post-weld heat treated. Per ASME PCC-2, the minimum spacing allowed between
this new weld and the existing PWHTd welds is:
24.
27.
6”.
8”.
is always required.
must be done if required by the applicable construction code.
if done should always be at a temperature above the lower transformation
temperature.
is never recommended due to potential distortion of the shell.
An insert plate is used to repair a vessel. The extend of NbE for all the new welds shall be:
A.
B.
C.
b.
MSTS
Spot PT or UT.
Full PT or UT.
lOOYa MT or PT on the root pass, hot pass and final pass.
PT or UT in accordance with the applicable construction code.
4
November 2023
ASME PCC- 2 Study Guide
Practice Questions for API 570 Exam
An insert plate is used to repair a vessel. UT of 100% of the new welds will be performed.
What else is recommended?
3O
UT procedure is qualified to ASNT SNT-TC-IA
UT technician is qualified to APt 2201
MT or PT the root pass
MT or PT the root & find passes
A.
B.
C.
0.
An insert plate is used to repair a vessel.
What else is recommended?
31.
MT or PT only the root pass for single-groove welds
MT or PT the root & final pass single-grooves welds
MT or PT only the root pass for double-grooves welds
Spot UT to confirm T results
A.
B.
C.
b.
An insert plate is used to repair a vessel. Spot RT is required on the new welds. What else is
recommended? This may have more than one correct answer, select all answers that apply.
32.
The vessel shall be pressure tested
If practical, the vessel should be pressure tested in accordance with the
construction code
NDE can always be used in lieu of a pressure test
NbE can be used in lieu of a pressure test if pressure testing is not practical
A.
B.
C.
b.
33.
Spot RT of will be performed on the new welds.
An insert plate is used to repair a vessel. A pressure test will be performed. Testing should
be:
completed prior to the application of coatings or insulation.
completed prior to the application of insulation. But con be done after coatings.
done at a pressure that 150% of vessel MAWP.
always performed with water and not air.
A.
B.
C.
b.
Article 206:
Full Encirclement Sleeves
Per PCC-2, a Type A full-encirclement sleeve:
A.
B.
C.
0.
2.
is designed to contain internal pressure.
is designed only as reinforcement of a corroded area.
has ends that are fillet-welded to the pipe.
has longitudinal welds that are fillet welded.
Per PCC-2, a Type B full-encirclement sleeve:
select all answers that apply.
A.
B.
C.
0.
MSTS
This may have more than one correct answer,
is designed to contain internal pressure.
is designed only as reinforcement of a corroded area.
has ends that are fillet-welded to the pipe.
has longitudinal welds that are fillet welded.
5
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
A sleeve repair is performed on a piping system that is subject to pressure or thermal cycles.
Which of following is required?
3.
A.
B.
C.
Li
4.
Per PCC-2, the minimum thickness of a Type A full-encirclement sleeve shall be:
A.
B.
C.
b.
A.
B.
C.
A.
B.
0.75
0.80
0.90
b.
E.
1.0
“I HAVE NO ThEA ill”
may be true f or you, but
wont count on your testl
API 579.
ASME Sect VflI.
C.
Li
ASME PCC-I.
the applicable construction code,
Per PCC-2, a full-encirclement sleeve shall extend past the defect by:
A.
B.
C.
1”.
2”.
3”
b.
E.
4”.
4 times the sleeve thickness.
A 0.625” full-encirclement Type B sleeve is installed on a pipe that is 0.500” thick, The gap
between the sleeve and pipe is 0.020”. What is the minimum size of fillet-welds at the end of
the sleeve?
A.
B.
C.
9.
of the adjacent pipe wall thickness.
at least the thickness of the adjacent pipe wall.
25% thicker than the thickness of the adjacent pipe wall.
50% thicker than the thickness of the adjacent pipe wall.
Per PCC-2, the calculations to use for determining the minimum thickness of a full
encirclement sleeve, are found in:
6.
8.
213rd
Per PCC-?, the minimum thickness of a Type B full-encirclement sleeve is being calculated.
What joint efficiency should be used in the calculations for the longitudinal weid2 (the weld
is not examined with UT)
5.
7.
Must be designed as a Type B sleeve
The joint efficiency used in the sleeve design cannot exceed 0.25
The hardness of the welds shall not exceed 150 Brinell
A fatigue evaluation should be performed
0.500”
0.520”
0.545”
b.
F.
F.
0625”
0.645”
0750”
What is the maximum allowed undercut on the circumferential fillet-weld of a fullencirclement sleeve?
A.
B.
M5TS
0”
1/32”
C.
b.
1/16”
Per applicable construction code
6
November 2023
ASME PCC— 2 Study Guide
Practice Questions for API 570 Exam
10.
What is one potential problem with the Type B sleeve?
A.
B.
C.
D.
Per PCC-2, what are ways to minimize pressure buildup between the pipe and a Type B sleeve?
This may have more than one correct answer, select all answers that apply.
11.
A.
B
C.
D.
A.
B.
C.
b.
Grind area smooth
UT corroded area
C.
b.
Which of the
Fill gap with hardenable material
Weld-build up damaged area, then sleeve
Which of the
Must fill gap with hardenable material
Should fill gap with hardenable material
When a fatigue analysis is required for the design of a split sleeve, the analysis could be done
in accordance with which publication?
14.
A.
B.
API 579
API 652
C.
b
ASME PCC-1
EIEIO FF5
-
Per PCC-2, when installing any split sleeve (Type A or B), which of the following statements
are correct? This may have more than one correct answer, select all answers that apply.
A.
B.
C.
D.
E.
16.
Grind area smooth
RT corroded area
Per PCC-2, a Type B sleeve is used to reinforce an external corroded area.
following is correct?
A.
B.
15.
Fill space with hardenable material.
Fill space with a liquid like water.
Rot tap pipe, so annulus between pipe and sleeve is pressurized by product.
Minimize the volume in the space by having a tight-fitting sleeve.
Per PCC-2, a Type A sleeve is used to reinforce an external corroded area.
following is required?
12.
13.
Determining joint efficiency of circumferential welds
Determining the number of potential stress cycles
Pressure buildup between sleeve and pipe
Undetected corrosion that goes through pipe wall
The gap between the pipe and sleeve must be filled with hardenable filler material.
Pipe area covered by the sleeve should be cleaned to bare metal.
Na gap is allowed between the pipe and sleeve.
The maximum gap between the pipe and sleeve is 3/32”.
A fatigue analysis must be always be performed.
When installing a Type B split sleeve, which of the following statements are correct? This
may have more than one correct answer, select all answers that apply.
A.
B.
C.
D.
E.
MSTS
If using filler material before welding, ensure it does not extrude to the weld areas.
The longitudinal weld shall be a butt-weld that is fused to the pipe.
The longitudinal weld shall be a butt-weld that uses a backing strip.
The longitudinal weld shall be a butt-weld.
The sleeve should be vented during the final closure weld.
7
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
When installing a Type A split sleeve, which of the foilowiny statements are correct?
17.
A.
B.
C.
b.
The longitudinal weld can be either a butt-weld or fillet-welded 1ap joint.
The longitudinal weld shall be a butt-weld that is fused to the pipe.
The longitudinal weld shall be a butt-weld that uses a backing strip.
The longitudinal weld shall be a butt-weld.
PCC-2 recommends that during sleeve installation, the pipes pressure should be lowered to:
18.
A.
B.
C.
0 psig (depressured).
25-50 psig.
25-50% of MAWP.
A.
B.
MTorPT.
MTorPTorIJT.
A.
B.
C.
D.
MTorPTorUTorkT.
UTorRT.
MT or PT of only final pass.
MT or PT of root pass and final pass.
MT or PT or UT of only final pass.
MT or PT or UT of root pass and final pass.
belayed cracking is an issue during the installation of a split sleeve. NbE should be used to
examine the circumferential welds after waiting:
21.
A.
B.
4 hrs.
8 hrs.
Article 209:
C.
b.
12 hrs.
24 Firs.
Alternatives to PWHT
PWF-IT is used in ferritic welds to: This may have more than one correct answer, select all
answers that apply.
A.
B.
diffuse hydragen.
increase grain size.
C.
b.
pravide tempering.
reduce hardness.
PWF-lT of ferritic materials is performed at a temperature that is:
A.
B.
C.
0.
3.
C.
L
Circumferential welds of a Type B sleeve shall be examined by; (delayed cracking is not an issue)
20.
2.
25-507 of operating pressure.
50-80% of MAWP.
50-80% of operating pressure.
The finished longitudinal weld of a Type A sleeve shall be examined by:
19.
1.
b.
E.
F.
below the lower transformation temperature.
between the lower and upper transformation temperature.
above the upper transformation temperature.
above the casting temperature.
bunny repairs to carbon steel pipe, when might using a PWRT alternatives
A.
B.
C.
b.
MSTS
be a good idea?
If material is subject to reheat cracking
If PWHT is a requirement from the construction code
If PWHT is specified because of a process service. i.e caustic
On larger diameter piping
8
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
What is one type of alternative to PWHT?
4.
A.
B.
Peening
Elevated preheat temp
C
0.
Elevated interpass temp
Elevated preheat maintenance temp
What is one type of alternative to PWHT?
5.
A.
B.
C.
0.
E.
API Applied Pressure Induction
Bead Cross-over Welding
MSTS Minimum Stress Through Saturation
Stress Control Welding
Temper Bead Welding
-
-
Article 210: In-Service Welding on CS Components
What are the primary technical concern(s) when performing In-Service welding?
have more than one correct answer, please select all answers that apply.
A.
B.
2.
Coking
Hydrogen Cracking
Welding machine should operate at less than 15 amps
Electrode diameter should not exceed 0094’
Requirements detailed in API 2102 should be followed
Never perform in-service welding on materials 0.250’
Which is
3.
A.
B.
C.
0.
a factor in Hydrogen Cracking of welds?
Allowable stress of the base metal
Hydrogen Duh!
Residual tensile stresses from welding
Weld microstructure
...
Crack-susceptible microstructures typically have a microstructure high in:
A.
B.
5.
C.
0.
Which of the following is correct concerning n-service welding on materials less than the
0.250” thick?
A.
B.
C.
0.
4.
Burn through
Carburization
This may
Austenitic structure.
buctility.
C.
0.
Hardness.
Toughness.
For in-service welding, high microstructure hardness is controlled by cantrolling the:
A.
B.
C.
0.
MSTS
Preheat and PWHT temperatures.
Rod size and Shielding Gas.
Ferrite Equivalence and Preheat Temperature.
Carbon Equivalence and the Cooling Rate.
9
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
6.
Why does likelihood of hydrogen cracking increase with in-service welding? (compared to outof-service welding)
A.
B.
C.
D.
7.
During in-service welding, which of the following is used to minimize microstructure hardness?
This may have more than one correct answer, please select all answers that apply.
A.
B.
8.
B.
C.
b.
Less likely to burn-through
More likely to burn-through
Less likely to form weld microstructure that is susceptible to hydrogen cracking
More likely to form weld microstructure that is susceptible to hydrogen cracking
burn-through increases.
H2 cracking increases,
C.
b.
forming austenitic structure increases.
forming microstructure soft zanes increases.
burn-through increases.
H2 cracking increases,
C.
forming austenitic structure increases.
forming microstructure hard zones increases.
Which is difficult to perform with In-Service welding?
A.
B.
13.
High heat input lowers likelihood of burn-through & minimizes microstructure hardness.
High heat input increases likelihood of burn-through & minimizes microstructure hardness.
Low heat input lowers likelihood of burn-through & minimizes microstructure hardness.
Low heat input increases likelihood of burn-through & increases microstructure hardness.
During in-service welding, if there is a decrease in the process flow rate the likelihood of:
A.
B.
12.
Special weld procedures
Preheat
During in-service welding, if there is an increase in the process flow rate the likelihood of:
A.
B.
11.
C.
D.
When welding on thinner materials it may be necessary to use a smaller diameter rod. What
ore the potential results? This may hove more than one correct nnswer. select all that apply.
A.
B.
C.
b.
10.
Low Hydrogen Electrodes
Argon gas
During in-service welding, which of the following is correct?
A.
9.
The process on the other side causes coking which causes high carbon in the weld.
The process on the other side causes rapid cooling.
With field welding, it is difficult to achieve adequate shielding of the weld.
Vibrations in the field causes molecular compaction which creates hard zones.
CDW
Temper-bead welding
C.
b.
PWHT
Minimizing risk of burn-through
A weld procedure is being qualified for In-Service welding. Which of the following is
considered an Essential Variable far the qualification test? This may have more than one
correct answer, select all that apply.
A.
B.
MSTS
Bevel Angle
Carbon Equivalence
C.
D.
Cooling Rate
Peening
10
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
14.
A weld procedure is being qualified for In-Service welding. Which of the following is
considered an Essential Variable for the qualification test? This may have more than one
correct answer, select all that apply.
A.
B.
15.
2 Face c!c 2 Side Bends.
2 Face & 2 Root Bends or 4 Side Bends.
Bends tests not needed
4 Face Bends
C.
b.
2 Face & 2 Side Bends.
2 Face dç 2 Root Bends or 4 Side Bends.
Bends tests not needed
4 Face Bends
C.
b,
2 Face d 2 Side Bends.
2 Face & 2 Root Bends or 4 Side Bends.
l-ardness test are done in accordance with ASTM EIEIO-50
At least 4 sets of hardness readings are required
Each set of hardness readings should have at least 5 Vickers hardness readings
Each set of hardness readings should have at least 5 Rockwell hardness readings
The hardness readings should be taken in the small-grain RAZ
An in-service welding procedure is being qualified for an attachment weld. In the bend tests,
what is the acceptance criteria for flaws in the weld or l-IAZ?
A.
B.
C.
D.
20.
C.
b.
An in-service welding procedure is being qualified. Which of the following is correct? This
may have more than one correct answer, select all that apply.
A.
B.
C.
b.
E.
19.
Bends tests not needed
4 Face Bends
An in-service welding procedure is being qualified for weld metal buildup. The test coupon
wall thickness is 3/4”. What bend tests should be conducted?
A.
8.
18.
Postweld Backout
Welding Current
An in-service welding procedure is being qualified for an attachment weld. The test coupon
wall thickness is 5/8”. What bend tests should be conducted?
A.
B.
17.
C.
D.
An in-service welding procedure is being qualified for weld metal buildup. The test coupon
wall thickness is 3/B”. What bend tests should be conducted?
A.
B.
16.
Deposition Sequence
Welding Position
No flaw that exceeds 1/16” (0.063”)
No flaw that exceeds 1/8” (0.125”)
No flaw that exceeds the lesser of 1/16” ar the one-half the wall thickness
No flaw that exceeds the lesser of 1/8” or the one-half the wall thickness
When In-Service welding is performed it should be examined with NDE in accordance with
the applicable construction or post-construction code. If hydrogen cracking is a concern, the
in-service welds should be examined:
A.
B.
C.
D.
MSTS
within 1 hour of the completion of the weld.
within 12 hours of the completion of the weld.
after a delay of 6-24 hours after the completion of the weld.
after a delay of 24-72 hours after the campletion of the weld.
11
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
Article 211: Weld Buildup. Weld Overloy 4 Clad Repairs
Weld Overlay refers to adding:
A.
B.
C.
b.
2.
Weld metal buildup is performed on a corroded steel vessel shell. The tensile strength of the
electrode used for this repair, should:
A.
B.
C.
b.
3.
C.
b.
Type3o9followedbyType308
Type 308 followed by Type 309
Thermal carburization
Lack of fusion
C.
El
bifferential rates of thermal expansion
Polythionic stress cracking
Prior to performing Back Cladding, the existing cladding shall be:
5.
A,
B.
C.
II
checked for thickness on both sides of the weld within 6” of the new weld.
checked far disbonding on both sides of the weld within 12” of the new weld.
etched with nitric acid.
removed a minimum of 1/411 from the edge of the plate.
The Back Cladding weld cap height shall nt exceed:
A.
B.
7.
Type3O9
Type 310
What is one potential problem when using weld overlayed areas in equipment that operates in
cyclic temperature?
A.
B.
6.
greater than or equal the allowable stress of the shell plate.
greater than or equal the yield stress of the shell plate.
greater than or equal 95% of the tensile strength of the shell plate.
greater than or equal the tensile strength of the shell plate.
What are common electrodes that are used when performing 55 weld overlay on carbon steel
base metal?
A.
B.
4.
weld metal to carbon steel or low alloy materials to restore base metal thickness.
corrosion resistant weld metal (alloy) to carbon steel or low alloy materials.
alloy weld metal to carbon steel or low alloy materials to restore alloy cladding.
weld passes in a specific method to temper the previous passes.
height of the cladding.
1/16”.
C.
b.
1/8”.
the lesser of 10% of plate thickness or 1/32”.
55 weld overlay is performed on a 5% Cr shell that is 0.5’ thick. There are some weld repairs
needed to the 5 Cr material prior to performing the weld overlay. What should be done after
the 5 Cr repairs are completed, but before the weld overlay is performed?
A,
B.
MST5
No additional work needed
Preheat to 500 °F
C.
b.
PWHT
UT flaw detection to check for delayed cracking
12
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
8.
55 weld overlay is performed on a CS shell that is 0.5” thick. There are some weld repairs
needed to the base material prior to performing the weld overlay. What should be done after
the carbon steel repairs are completed, but before the weld overlay is performed?
A.
B.
C.
D.
9.
55 weld overlay is performed on a CS shell that is 2.0’ thick. There are some weld repairs
needed to the base material prior to performing the weld overlay. What should be done after
the carbon steel repairs are completed, but before the weld overlay is performed?
A.
B.
C.
b.
10.
may be examined by NDE (MY, PT, etc.).
may be examined by NDE (MI, PT, etc.) in accordance with appropriate code.
must be examined by NbE (MT, PT, etc.),
must be examined by NDE (MY, PT, etc.) in accordance with appropriate code.
Weld buildup is performed on a CS shell that is 4” thick. After welding, the repair area:
A.
B.
C.
b.
13.
may be substituted with a 300°F preheat.
must be done prior to the weld overlay.
must be done after to the weld overlay is complete.
may be done after the 1 layer of weld overlay or when the overlay is completed.
Weld buildup is performed on a CS shell. After welding, the repair area:
A.
B.
C.
b.
12.
No addition work is needed prior to performing weld overlay
Preheat to 300 P
PWHT
Use Metallography to determine if grain structure is appropriate
55 weld overlay is performed on a shell that has a 7% Cr base material that is 1.0’ thick.
PWHT heat will need to be performed. The final PWHT:
A.
B.
C.
Ii
11.
No addition work is needed prior to performing weld overlay
Preheat to 500 °F
PWHT
Use Metallography to determine if grain structure is appropriate
should be examined by RT.
should be examined by UT flaw detection.
should be examined by RT or UT flaw detection.
shall be examined by T or UT flaw detection.
Existing 55 overlay on a carbon steel base is eroded and will be repaired. The damaged
overlay is removed. Prior to applying the new overlay, the carbon steel surface should be
examined using;
A.
B.
C.
.
M5TS
a copper sulfate solution to verify the complete removal of the stainless steel.
sulfuric acid to etch the CS to verify the complete removal of the RAZ.
metallogrophy to assure embrittled areas have been removed.
WFMPT to assure H25 cracking has nat accurred.
13
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
14.
Multilayer SS weld overlay is being performed. What should be done after the
welded?
A.
B.
C.
t.
layer is is
Examine with MT
Examine with PT
kaise the temperature to 500°F for 1 hour to assist in out gassing hydrogen
Nothing, just weld the 2nd layer
Article 212: Fillet Weld Patches
Per PCC-2, a fillet-welded patch is acceptable provided the:
A.
B.
C.
b.
E.
2.
A vessel wall has a crack. Per PCC-2, which of the following is correct?
A.
B.
C.
b.
3.
the thickness of the equipment wall loss.
the nominal thickness of the equipment wall.
twice the nominal thickness of the equipment wall.
based on the calculated needed size of the attachment welds.
A fillet welded patch must overlap sound metal by:
A.
B.
6.
should extend into sound metal by 6”.
must be the same thickness as the equipment wall.
should be of the same or similar material as the equipment wail.
in alloy service must be the some material as the equipment wall.
The minimum thickness of a fillet-welded patch is:
A.
B.
C.
0.
5.
A fillet-weld patch can never be used to cover a crack.
The crock must be removed, area prepped and rewelding to original thickness.
The crack must be removed. The area is prepped & rewelding ta original thickness or
the ground down area can be evaluated as a locally thinned area.
A fillet weld patch may be used if the crack growth has stopped.
A fillet-welded patch covering a corroded area:
A.
B.
C.
b.
4.
process temperature does not exceed 650°F.
process temperature does not exceed 800°F.
process pressure does not exceed 360 psi9.
process pressure does nat exceed 1000 psi9.
the equipment is not subject to temper-embrittlement.
1”.
2”.
C.
b.
the greater or 2T or 2’.
the greater of 2T of 4”.
Per PCC-2, the minimum radius on a patch plate is:
A.
B.
MST5
1’
2”.
C.
b.
3”.
6”.
14
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
7.
A vessel with internal pressure has a corroded area on the inside vessel wall. Per PCC-2, if a
fillet welded patch is used, it:
A.
B.
C.
b.
8.
A locally thinned area on the inside of a vessel is repaired using an external fillet welded
patch. Per PCC-2, which of the following is correct?
A.
B.
C.
b.
9.
13.5”
19”
4”
8.5”
C.
Fl
12”
14.5”
Patch can be contoured to the repad & welded to the pad with a full penetration weld.
Patch can be contoured to the repad & fillet welded 1” away from the repad fillet weld.
Patch must be set back from the repad by the greater of 2T or 3”
The repair patch can never be attached to the existing repad.
When designing a fillet welded patch per PCC-2, the joint efficiency used in the calculation is:
A.
B.
13.
C.
b.
A fillet welded patch is installed on an 8’ diameter vessel near a nozzle with a repad. Which
of the following is correct?
A.
B.
C.
b.
12.
3”
55”
A fillet welded patch is installed on a 72” diameter vessel near a nozzle. The vessel wall
thickness is 0.500”. Per PCC-2, if the patch does not extend to the nozzle, how far must this
patch be set back from the nozzle?
A.
B.
11.
The patch must have rounded corners with a minimum radius of 1”.
The patch thickness must not exceed the vessel wall thickness.
If damage is expected to be through-wall, a fillet weld patch is not allowed.
If damage is expected to be through-wall, the engineer must consider possible
corrosion between the vessel wall and inside of patch.
A fillet welded patch is installed on a 10’ diameter vessel. The vessel wall thickness is 0.750”
Per PCC-2, how far must this patch be from an existing fillet welded patch?
A.
B.
10.
can be used on the inside or the outside of the vessel.
must actually cover the corroded area whether inside or outside of the vessel.
must be placed on the outside of the vessel.
normally is placed an the outside of the vessel.
0.45.
0.55.
C.
b.
0.70.
same as the joint efficiency of the equipment.
When rolling a fillet welded patch to the shape of the equipment, the plate must be stress
relieved if the patch’s fiber elongation exceeds:
A.
B.
MSTS
035%.
2/s.
C.
11
3.5%.
5%.
15
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
24.
A fillet welded patch is installed a large diameter pipe. The patch should be fitted tightly to
the pipe surface. The maximum separation between the patch and the plate is;
A.
8.
15.
API 1104.
AWS Dli.
1.5” band, weld will be centered in the clean band.
6” band, weld will be centered in the clean bond.
1.5” width on either side of the future weldment.
6” width on either side of the future weldment.
i00°L of the surface under the patch and 1” away from the future weldment.
ground flush
ground flush and examined with either MT or PT.
examined with either T or UT.
visually examined and caps tapered with weld metal to achieve a 3:1 taper.
To provide indication if the equipment wall has through-wall damage.
To provide a vent during welding.
To provide o vent during welding and postweld heat treating.
To provide a spot to put extra UT grease.
The fillet welds on a fillet welded patch are normally examined with:
A.
B.
20.
C.
b.
A fdlet welded patch should be should have a vent What is the purpose of the vent?
A.
8.
C.
Li
19.
ASME Sect IX.
API 579.
Prior to welding a fillet welded patch, any existIng butt welds covered the patch should be:
A.
B.
C.
b.
18.
1/8’
3/16”.
Prior to welding a fillet welded patch, how much of the paint, rust c foreign material should
be removed?
A.
B.
C.
b,
E.
17.
C.
b.
Welding procedures and welders used on a fillet welded patch should be qualified to the
requirements of the appropriate equipment code or:
A.
8.
16.
1/32”
1/16”.
MTorPT.
ftT.
C.
Ii
UT.
Light hammer tops.
Lifting lugs were used to place a fillet weld patch on a vessel. After patch installation, the
lifting lugs were removed. Which is correct concerning the area of the removed fillet welds?
A.
B.
C.
Ii
MST5
No need for any special examination.
Need to be examined visually. Indications should be further examined with MT or PT.
Need to be examined with either MT or PT.
Need to be examined with UT.
16
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
Which of the faJiowing is correct concerning a pressure test of a fijiet weid patch?
21.
A.
B.
C.
b.
Testing shall be performed prior to application of patch coatings.
Testing can be performed after application of patch coatings, but prior to adding
insulation.
Testing of patch should be performed at 1.5 times the design pressureS
Testing is not required, since welds have been examined by NbE.
Article 304: Flaw Excavation & Weld Repair
When grinding out a flaw, overloading the grinding wheel can cause: This may have more than
one correct answer, select all correct answers
A.
B.
C.
b.
2.
When grinding out a flaw, uneven and rough finishes could result in a failure by:
A.
B.
3.
galvanic corrosion.
liquid-metal embrittlement.
all alloyed materials.
austenItic materials.
chrome alloys.
D.
E.
nickel alloys.
titanium alloys. (do I hear P-53’s?)
not be used again.
examined with PT for cracking.
only be used in the future on the same materials (ASYM # % gradel
only be used in the future on the materials with the same P4.
not be used on austenitic stainless materials.
An austenitic 55 is contaminated with residue from a grinding wheel that was previously used
an Carbon Steel materials. What is a possible future problem?
A.
B.
6.
C.
b.
A flaw is removed by grinding on a carbon steel material. This grinding wheel should:
A.
B.
C.
b.
E.
5.
erosion.
fatigue.
When removing a flaw, rotary files should be considered for use on:
A.
B.
C.
4.
formation of untempered martensite structure.
formation of tempered austenite.
shallow surface crocks.
wheel residue to be impregnated in the finished material.
Fatigue
Hard microstructures
C,
b.
Surface pitting
Wet H75 cracking
What should be done prior to grinding out stress corrosion cracks in stainless steel?
A.
B.
C.
b.
MSTS
Qualify the amount of heat input
Qualify the grinding wheel type
Select a quick cutting tool like a rotary file
Select a wide cutting tool to distribute the heat input
17
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
Repairs ore being made to a pipe that has experienced caustic cracking. To prevent additional
cracking, which of the following should be considered during the repairs? This may have more
than one correct answer, select all correct answers
7.
A.
B,
C.
b.
When removing flaws, flapping is:
8.
A.
B.
C.
b.
A.
B.
C.
b.
Brittle heat-affected zones may be created
Oxidation residue may damage the gouged area
Residue left in some allays will cause future surface pitting
Stress corrosion cracking may occur
A small crack is going to be removed by grinding. Which of the following is correct?
10.
A.
B.
C.
b.
The excavated area must be repaired with weld-buildup.
When performing weld buildup in this area, the GTAW process must be used.
If weld buildup is not used, the edges of the excavated area must have a 3:1 taper.
The edges of the excavated area must always have a 3:1 taper.
Thermal gouging is used to remove a flaw. What needs to be done prior to welding?
A.
B.
C.
b.
12.
a technique that is commonly used to smooth large rough areas.
a technique that is commonly used prior to adding a hot tap.
good for quickly removing deep linear flaws.
good only for removal of superficial surface blemishes.
When removing a fjaw, what is one potential problem when using thermal gouging?
9.
11.
Clean the area with appropriate cleaning procedures
Preheat
Pre-PWRT
Use flaw-removal methods that generate lower heat
Remove an additional 1/32” of material by a type of grinding
Remove an additional 1/16” of material by a type of grinding
Acid-etch the remaining surface to look for hard microstructures
Caustic-etch the remaining surface to look for hard microstructures
A surface crack is going to be removed. Prior to grinding, what technique may be used to
prevent the crack from growing during the crack-removal grinding?
A.
B.
C.
D.
M5TS
Drill the ends of the crack
Drill small holes along the crack at a spacing that does not exceed 4”
Peen the ends of the crack.
Peen the entire crack
18
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
Article 305:
FlaMe Repair .& Conversion
1. Deep corrosion has occurred on a flange-facing. After re-machining, the remaining thickness
will not be adequate for the pressure design rating. Which of the following is correct?
A.
B.
C.
D.
E.
2.
Weld build-up of a flange facing is required. What is suggested by ASME PCC-2 that will help
prevent future distortion of the flange that is the result of residual welding stresses?
A.
B.
C.
b.
E.
3.
0.100”.
0250”.
63 micro-inch
125-micro-inch
C.
b.
250 micro-inch
500 micro-inch
63 micro-inch
125-micro-inch
C.
ii
125-250 micro-inch
250-500 micro-inch
Per B16.5, a refinished raised face flange, should have a “groove density” of;
A.
B.
7.
C.
D.
What is standard flange face finish specified in 816.5 for a raised face flange?
A,
B.
6.
0.031”.
0.060”.
What is maximum flange face finish specified in ASME B16.5 for a ring joint flange?
A.
B.
5.
PWRT prior weld build-up
PWHT after weld build-up but prior to re-machining
PWHT after re-machining
PWHT both after welding and after re-machining
Use a temper-bead welding procedure for the weld build-up
When refinishing a flange face, the minimum finished height of a raised face flange is;
A.
B.
4.
The flange must be replaced.
Must either replace the flange or weld build-up & re-machine the flange face.
Could weld build-up & re-machine the flange face, or add a split-ring to the back of
the existing flange.
Could add a split-ring to the back of the existing flange, or use halts with higher
tensile strength.
Could evaluate the reduced thickness per API 580.
10-25 grooves / inch.
25-35 grooves / inch.
C.
D.
35-45 grooves / inch.
45-55 grooves / inch.
Which of the following is correct about converting a ring-joint flange to a raised-face flange?
A.
B.
C.
b.
MST5
This flange type cannot be converted to a raised face flange.
If converting to a raised face flange, the weld material must match the base material.
The “P” marking must be removed or defaced.
The “R” marking must be changed to “RE”.
19
November 2023
ASME PCC—2 Study Guide
Practice Questions for API 570 Exam
An existing flange has damage on the flange facing. Weld build-up and re-machining of the
flange facing is required. Which of following statements is correct concerning any NDE? This
may have more than one correct answer, select all correct answers.
S.
A.
B.
C.
0.
9.
Only NDE needed is the visual exam of the re-machined surface.
If welds are susceptible to cracking, MT or PT should be done after each weld pass.
MT or PT must be performed on the final weld pass.
MT or PT must be performed after the surface area is re-machined.
Any repaired flange should be:
A.
B.
C.
D.
given a leak test prior to being placed in service or an initial service leak test.
marked with a RF” indicated as a repaired flanged.
re-machined per the ASME Sect VIII Div 2 Article 6 requirements.
checked for delayed cracking
Article 306: Mechanical Clamps
Mechanical clamps are typically used to:
A.
B.
C.
b.
2.
The annular space between a mechanical clamp and the repaired surface:
A.
B.
C.
b.
3.
one designed to contain the leak and weight of the piping load.
one designed only to contain the leak.
not allowed in any Piping Class.
not allowed in only Class 1 piping.
In which of the following situations can a mechanical structural clamp jg be used?
A.
B.
C.
0.
5.
might be filled with epoxy or sealant.
must have a spacing that does not exceed 1/16’.
shall be left empty (unfilled).
should be filled with refractory in cold services.
A non-structural clamp is:
A.
B.
C.
0.
4.
hold pipe in place during repairs or fabrication.
hold a spring support.
seal growing cracks.
seal a leak.
Crack going around a circumferential weld
Crack going along a longitudinal weld
Gasket leak of a set of flanges
Leaking Class 1 piping
A mechanical clamp with sealants may not be effective in which of the following services?
A.
B.
MST5
High-temperature services
Low-temperature services
C.
0.
20
Pressures exceeding 150 psig
Vacuum services
November 2023
ASME PCC-.2 Study Guide
Practice Questions for API 570 Exam
Sometimes a mechanical clamp can create new future problems. These include. This may have
more than one correct answer, select all correct answers.
6.
A.
B.
C.
0.
E,
A mechanical clamp is being designed for leaking hat pipe.
important design consideration?
7.
A.
B.
C.
8.
should be designed using higher alloy than the pipe.
must have annular area between pipe ! clamp filled with epoxy to stop the corrosion.
can rely on clamp friction to prevent line separation.
shall have a locking mechanism or strong back to prevent line separation.
Epoxy filled annular area
Strong-backs
C.
b.
Vent
Welded ends
Vent area during assembly
Vent annular area prior to clamp removal
Place often used to inject sealant in the onnulor area
Used as a repod’s “weep-hole”to indicate pipe wall has a through wail failure
A pipe has a pin-hole leak and will be repaired with a mechanical clamp. What are potential
problems that can occur when injecting sealant in the annular space between the pipe wall and
mechanical clamp? This may have more than one correct answer, select all correct answers.
A.
B.
C.
0.
12.
Load (weight) of the clamp
bifferential expansion or contraction
The vent on a mechanical clamp is used for which of the following reasons? This may have
more than one correct answer, select all correct answers.
A.
B.
C.
b,
11.
0.
E.
Mechanical clamps covering a pin-hole leak, shauld be designed with which of the following?
A.
B.
10.
Maximum Pressure
Maximum Temperature
Engineer’s birthday
Which of the following is not an
Localized corrosion is occurring around an entire circumferential weld. A mechanical clamp is
used repair this weld. This clamp:
A.
B.
C.
b.
9.
Clomped flanges may now have degradation of covered bolting. (Corrosion or cracking)
Clamped flanges may now have an increased temperature causing bolts to yield.
Clomped area causes flow restriction that increases process velocity t erosion.
Leaking process in annular area over pressures the clamp due to increase temperature
from sunshine.
Welded clamps in hot service may leak due to differential thermal expansion rates
The sealant leaks out the ends of the clamp
The external pressure on the pipe collapses the pipe wall
Sealant seeps into pipe causing problems with downstream components
The sealant plugs the leak
Per PCC-2, in which of the following situations does a special analysis hove to be performed
prior to installing a mechanical clamp?
A.
B.
MSTS
Elbow on pipe
Expansion joint
C.
0.
Flanges
Weld pin-holes
21
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
A mechanical clamp is used to cover a pipe leak. Which of the following is correct? This may
hove more than one correct answer, select all correct answers.
13.
A.
B.
C.
b.
Anriulus between clamp and pipe should be pressure tested.
A wrap may be used to stop the leak prior to installing the clamp.
The ends of the clamp may be welded to the pipe.
The clamp vent should be plugged with grease.
Article 501: Pressure Testing & Tightness Testing
All other testing methods should be considered prior to performing a:
A.
B.
2.
b.
Ensure bolts have appropriate thread engagement
Ensure overall leak tightness
Validate quality of welds
Ensure that threaded pipe has at least 4 threads of engagement
embrittlement of welds.
fatigue resistance.
C.
D.
reduction of MDMT.
mechanical stress relieving.
How does hydrotesting provide some stress relief?
A.
B.
C.
b.
6.
Ensure gross integrity of pressure equipment
Ensure overall tightness of pressure equipment
Substitute for a code required PWHT
Provides something to do for a bored API inspector.
Hydrotesting can provide some:
A.
B.
5.
D.
pneumatic test.
tightness test.
What is the primary purpose of a tightness test?
A.
B.
C.
b.
4.
C.
What is the primary purpose of a pressure test?
A.
B.
C.
3.
hydrotest.
n-service Leak test.
At local regions of high stress, a localized yielding occurs. So, after the test, this
area has a localized region of compressive stresses.
At local regions of high stress, a localized fatiguing occurs. So, after the test, this
area has a localized region af lower tensile stresses.
Throughout the equipment yielding occurs. So, after the test, the equipment
“
has nothing but compressive stresses.
That’s cra2y! A pressure test does NOT relief stresses!
What can reduce or eliminate the benefits of the stress-relief occurring during a
hydrotest?
A.
B.
MSTS
Operate at high pressure.
Operate at elevated temp.
C.
b.
Operating at a vacuum.
Operating with a high concentration of C3H8
22
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
7.
When might an in-service leak test be considered?
A.
B.
C.
b.
8.
What is the purpose of a pressure test? This may hove more than one correct answer.
A.
B.
C.
.
9.
freezing.
MDMT.
MDMT + 10°F.
MOMT • 30°F.
C.
0.
The ductile-to-brittle transition temperature of a material may be altered when some
equipment is operated above:
A.
B.
13.
never allowed in PCC-2.
allowed only to prevent having to do a pneumatic test.
allowed if the other system welds have already been tested.
allowed only if the equipment is made from higher alloys.
Per PCC-?, during a pressure test, the metal temperature should be:
A.
B.
12.
Foundation cannot support weight of liquid.
Vessel has a Teflon Pining.
A hydrotest will be inconvenient to perform.
Traces of remaining liquid may contaminate the operating process.
Vessel has refractory lining.
A test device to perform a localized test, like hydrotesting just one weld or a nozzle instead
of the whole vessel, is:
A.
B.
C.
b.
11.
Improve MDMT.
Support the new conditions of a rerate.
Support needed recertification of integrity.
Validate integrity after a repair or alteration.
When should a hydrotest flQt be done? This may have more than one correct answer.
A.
B.
C.
b.
E.
10.
After replacing a top head of a vessel.
After a turnaround on a piping system that operates with 5% HS.
After installing an insert patch.
After an outage on a cooling woter piping system.
500 psig.
a ph of 9.0.
C.
b.
700cF.
250 ppm of chloride.
What materials are most subject to changes in the ductile-to-brittle transition temperature?
Note: In API 510 this is change is called temper-embrittlement.
A.
B.
MSTS
Carbon Steels
Low Chromes
C.
0.
High chromes
Nickel alloys
23
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
Which of the requirements apply to pressure gauges used for a pressure test? This may have
14.
more than one correct answer, please select all answers that appiy.
A.
B.
C.
b.
E.
15.
For a specific hydrotest, the owner decides a relief device is needed to prevent any
overpressure. The hydrotest pressure is 200 psi9, Per PCC-2, what is the maximum set
pressure far this relief device?
A.
B.
16.
610 psi9
650 psi9
C.
b.
660 psi9
690 psi9
The paint may completely plug a pin-hole during the test.
Painted surfaces make it more difficult to see a leak.
Paint may contaminate the process.
Paint materials may contaminate the hydrotest water.
9O% base’s yield stress.
C.
100% bases yield stress.
b.
90I of bases tensile stress
100% of base’s tensile stress.
Per PCC-2, which of the following applies to the testing liquid? This may have more than one
correct answer, please select all answers that apply.
A.
B.
C.
b.
20.
220 psig
250 psi9
Per PCC-2, when hydrotesting an austenitic vessel the membrane stress shall not exceed:
A.
B.
19.
C.
b.
What problem is created when the welds are painted prior to the pressure test?
A.
B.
C.
D.
18.
205 psi9
210 psi9
For a specific hydrotest, the owner decides a relief device is needed to prevent any
overpressure. The hydrotest pressure is 600 psig. Per PCC-2, what is the maximum set
pressure for this relief device?
A.
B.
17.
All test gauges should be calibrated.
Should have a pressure range that is nat more the six times the test pressure.
Gauges should be located at the high point of the vessel or pipe system being tested.
All gauges used in pressure tests shall have a digital display.
All gauges should meet requirements of ASME PTC 19.2 or similar.
Salt water or brackish water should not be used.
Water should be free from microbes.
Water should not have sediments.
Chloride content shall always be less than 25 ppm.
Per PCC-2, during a hydrotest, the hydrotest pressure is reached and held. Then the
pressure is reduced for the visual inspection. What is the minimum hold time while the
equipment is at its maximum pressure?
A.
B.
M5TS
10 minutes
15 minutes
C.
b.
30 minutes
60 minutes
24
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
21.
Per PCC-2, when a pneumatic test is performed, what is the preferred testing medium?
A.
B.
22.
200,000,000 ft-lbs.
USA National bebt in ft-lbs.
65 psi9
66 psig
C.
b.
70 psig
80 psig
125 psi9
130 psig
C.
b.
132 psi9
144 psig
Grains of Gunpower
Number of Grenades
C.
b.
Ounces of Uranium
Pounds of TNT
When performing a pneumatic test, what is the W step pressure?
A.
B.
C.
b.
28.
Lx
E.
When performing a pneumatic test, the amount of stored energy should be converted to
equivalence of which af the following?
A.
B.
27.
2lbofTNT,
200 ft-lbs.
200,000 ft-lbs.
For a specific pneumatic test, a relief device is needed to prevent any overpressure. The test
pressure is 120 psig. Per PCC-2, what is the maximum set pressure for this relief device?
A.
B.
26.
If a hydrocarbon system being tested is not clean, an explosive mixer may be created.
High dew-point air when compressed will cause moisture to condense.
Chlorides are likely to condense
Compressed air has considerably more energy than compressed nitrogen.
For a specific pneumatic test, a relief device is needed to prevent any overpressure. The test
pressure is 60 psig. Per PCC-2, what is the maximum set pressure for this relief device?
A.
B.
25.
Natural Gas
Nitrogen
Per PCC-2, when a pneumatic test is performed, the maximum allowed stored energy for the
test shall not exceed:
A.
B.
C.
24.
C.
b.
What problem is created when performing a pneumatic test with air? This may have more than
one correct answer, please select all answers that apply.
A.
B.
C.
D.
23.
Air
Operational Gas
Raise pressure to the lesser of 10 psig or 10% of test pressure.
Raise pressure ta the lesser of 25 psig or 25% of test pressure.
Raise pressure to the lesser of 50 psig or 35% of test pressure.
Raise pressure to the lesser of 50 psig or 50% of test pressure.
A pneumatic test is being done. No leaks were discovered in the l pressure step.
should be done in the first part of the 2’ testing step? Increase pressure to the:
A.
B.
C.
IX
MS TS
What
lesser of Step 1 pressure plus 50 psig or 35% of test pressure.
greater of Step 1 pressure plus 50 psi9 or 35% of test pressure.
lesser of Step I pressure plus 75 psig or 50% of test pressure.
greater of Step 1 pressure plus 75 psig or 50% of test pressure.
25
November 2023
ASME PCC- 2 Study Guide
Practice Questions for API 570 Exam
29.
A pneumatic test is being performed. The equipment is at 50% of test pressure and no )eahs
are discovered. What should be done to complete raising the pressure to the test pressure?
A.
B.
C.
D.
30.
A pneumatic test with nitrogen is being performed on a vessel that is 8’ diameter and 28 tail.
The test pressure will be 150 psig. The amount of stored energy in this test is about
25,000,000 ft-lbs of energy. This is equivalent to how many pounds of TNT?
A.
B.
C.
31.
Increase pressure in 10% increments of test pressure. Hold for 5 mm. at each step.
Increase pressure in 10% increments of test pressure. Hold for 10 mm. at each step.
Increase pressure in 20% increments of test pressure. Hold for 5 mm. at each step.
Increase pressure in 20% increments of test pressure. Hold for 10 mm. at each step.
0.2 lbs
0.8 lbs
10.7 lbs
13.
E.
F.
16.8 lbs
328 lbs
4100 lbs
A pneumatic test with nitrogen is being performed on a vessel. During the test the amount of
stored energy is equivalent to 70 lbs of TNT. If during the test, the vessel fails by brittle
fracture, how for could vessel fragments fly?
A.
B.
60 feet
140 feet
C.
13.
340 feet
1320 feet (quarter mile)
Article 502: NbE in Lieu of Pressure Testing
Why is NDE sometimes a better option than a pressure test?
A.
B.
C.
13.
2.
Why is NDE sometimes a better option than a pressure test? This may have more than one
correct answer, please select all answers that apply.
A.
B.
C.
13.
3.
Caustic Service: Any residual testing water may react with the caustic to cause
stress corrosion cracking.
Creep Service: Small flaws that are acceptable may cause a failure during the test.
Cyclic Service: Large flaws may be missed in a pressure test, but may grow during
repeated pressure tests.
Any Service: The stored-up energy from a hydrotest can cause a catastrophic failure.
Cost. A test may be practical but alternative NDE maybe less expensive.
Skill. A pressure test requires more skill to perform than NDE.
Structural Integrity. NDE can usually give a better indication of overall integrity.
Timing. NDE is usually much quicker than a pressure test.
Why is pressure testing preferred for new construction? This may have more than one correct
answer, please select all answers that apply.
A.
B.
C.
13.
MSTS
Can blunt the flaw tips (reduces stress-multiplying effects of sharp notches)
Often finds gross fabrication deficiencies
Provides a mechanical stress relief.
Provides 100% assurance the equipment will not fail once it is placed in service.
26
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
4.
The pressure equipment (vessel or piping) was hydrotested after construction.
future hydrotests are;
A.
B.
C.
0.
5.
Periodic
recommended in order to blunt any new in-service cracking.
recommended in order to provide operations more assurance of equipment integrity.
not recommended since it provides minimal new info on equipment integrity.
not recommended since a there are many safety issues pertaining to a hydrotest.
When is a hydrotest inadvisable for equipment than has previously been in-service? This may
have more than one correct answer, please select all answers that apply.
A.
B.
C.
0.
E.
MSTS
Anytime a pneumatic test could be performed
Hydrotest fluids react adversely with any residual pracess fluids
When the cost to perform a hydrotest exceeds equipment rate of return.
Foundations or support structure is inadequate for the water weight.
When equipment linings or coatings could mask a leak.
27
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
Answers with References
201: Buff-welded Insert Plates
206: Full Encirclement Sleeves
1. Sb
2. C
3. C
4. B
5. 0
6, 5
7. B
8. A
9. B
10. A
11. C
12. C
13. 0
14. 0
15. B
16. A,B,C
17. C
18. B
19. C
20. A
21. C
22. C
23. 0
24. A
25. C
26. A
27. C
28. B
29. 0
30. C
31. 5
32, 5,0
33. A
1. B
t A,C
3. 0
4. A
5. 8
6. 0
1 8
& E
9. A
10. C
11. A,C,D
12. C
13. 0
14. A
15. 8,0
l& A,D,E
iT A
18. F
19. B
20 B
21 0
3.2
3.3
14
3.4
3.4
36.1
(See Caic)
36.1
(See Caic)
3.6.1 % 3.4
(See Caic)
3.7
3.8(b)
(See Caic)
3.8(b)
(See Caic)
Fig 201-3.5-1
4.1.3
4.1.5
4.1.5
4.2.1, 4.2.3 4.2.4
4.2.7
4,2,8
4.2.8
4.2.9
(See Caic)
4.3.1(a)
4.3.1(b)
(See Caic)
4.3.1(b)
(See Caic)
4.3.3
4.4.1
4.4.1 % Fig 201-3.8-2
4.4.2 & Fig 201-3.8-2
4.5.1
5.1
5,1
5,2
6.1
6.4
1.1.1
1.1.2
2.4
3.1
3.2
3.3
3,4
3,5.0 & Fig 206-3.5-1
(See Caic)
3.5
3.6
3.6
3.7
3.7
3.8
4.1
4.2 & 4.4 & Fig 206-1.1.21
4.4
4.5
5.2
5.3
5.3
206 Colcs
&
0.625 + 0.020’ 0.645’
FW=Ts
209: Alternative to PWHT
1.
2.
3.
4.
5.
A,C,D
A
C
B
E
1.2(o)
1.2(b)
2,5
4.1
4.2.1
201 Calcs
6. Lessofl2t(12x1.5)orIS’lBorISrlS’
7. Less of 12t (12 x 0.75) or tSr 9 or 15’ 9’
8. Diameter r 2 Radius r 2 x 3 6”
10. Noz12”0b: 2x00r2x4.5z9”
11. Noz>12’0b 64No2.6r6.16.6a28”
20. Less of 1/32 or 10’Ltw = 0.031 or 0.050’ 0.031’
22. Greater of 10 or Stw (8 x 0.75) = 10 or 6’ 10”
23. Greater of 10 or Stw (8 x 1.5) 10 or 12 = 12”
24. 2twrZxl.53’
MS TS
28
November 2023
ASME PCC—2 Study Guide
Practice Questions for API 570 Exam
212: Fillet Weld Patches (cont)
3.1.f
8. b
210: In-Service Welding on CS
1.0 (2nd 3rd qj)
1. AM
1.0 (2nd q)
2. B
3
4.
5.
A
C
D
6. B
7. ACM
8. B
9. At
10. B
11. A
12. C
13. &,C
14. A,C,b
15. B
16. B
17. C
18. C
19. 0
20. 0
C
10. 8
11. A
12. B
13. 0
14. 0
15. A
16. C
17. B
18. C
19. A
20. C
21. A
1.0 (3 )
1.0 (3rd £)
1.0 (4r. q)
1.0 (4,h q)
1.0 (5 )
1.0 (5th )
2.6
2.6
2.7
4.1.1.2 & 4.1.1.3
4.11.7,4.1.1.9 & 4.1.1.11
Table 210-4,2.1-1
Table 210-4.2.1-1
Table 210-4.2.1-1
4.2.1.2
4.2.1.4(a)
5.2
B
0
C
A
0
B
C
A
C
0
B
C
A
B
9.
A
2. 0
3.1.b
0
3.1.c
5.
A
C
3.1.d
Fig 1-i
6.
7. 0
MS TS
4.c
4.d
4.e.1
4.e.2
4.g
5.0
5.b
6.d
2 11T
2 1 36 x 0.5
10. C
ii. a
2.2.1
2.2.1
2.2.1
2.2.2
2.2.2
2.2.3
2.2.3
2.5.1
2.6.1
3.1
3.3
12. A
4.1.1
1.
2.
3.
4.
5.
A,C
B
0
E
C
6. A
7. A,b
13.42”
8.5
8.
0
9.
A
305: Flange Repair
1.
2.
3.
i.e
2 .c .1
C
3.5.0
304: FIQW Excavation
1.5.1
3.5
3.6
3.8.1
4.4.2
Fig 211-4.4.1-1(b)
4.5.3
4.5.3
4.5.3
4.7.3
5.1.2
5.1.2
5.2
5.3.1
3.
4.
3.3.b
3.4.0
Lr21ii z 2 160 x 0.75
IC. L
212: Fillet Weld PQtches
1.
(See Coic)
(See Caic)
212 Calcs
211: Buildup,Qiay & Clad Repair
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
3.3.0
3.3.0
9.
10(3rdq)
4.
5.
3.1.e
29
C
B
A
A
C
2.3
2.4
3.1
3.3.2.b
3.3.2.c
6. 0
3.3.2.c
7.
C
8.
9.
8,0
4.5.3
5.2
A
6
November 2023
ASME PCC-2 Study Guide
Practice Questions for API 570 Exam
306: Mechanical Clamps
501: Pressure Testing (cant)
1.
2.
3.
4.
5.
6.
7.
b
A
B
B
A
A,B,E
C
1.0
1.0
1.0
2.2 2.2.c
3.1
3.3.o/d/e
3.8.a/b/c
26. b
27. B
28. B
29. A
30. b
31. C
501 Colts
8.
b
3.9.o
15.
9. C
10 ABC
11. B,C
12. B
13. B,C
$
Lesser of: Test + 50 or 1.1 of Test 200 + 50 =
250 or 1,1 x 20Cr 220, Ans 220 psi9
16. Lesserof:Test.SCorl.lofTestr600+50:
650 cr1.1 x 600=660, Ms 650 psi9
24. Greater of: Test *10 or 1.1 of Test =60+10r
70 or 1.1 x 60: 66, Ms 70 psi9
25. Greater of: Test + 10 or 1.1 of Test 120*10z
130 or 14 x 120132, Ans 132 psi9
30. 25,000,000/1,488617=16.8 lbs TNT
3.10
310b
3.12 & 3.13
3.14
4.5 & 4.6
.
.
501: Pressure Testing
1.
2.
3.
4.
5.
6.
7.
C
A
2.d
3.1
502: NbE in Lieu of Pressure Test
B
b
3.1
3.2.c
3.2.c
3,2.c
3.2.f
1.
C
2.
3.
4.
5.
A
A,B,C
1,2.a
12.c
1.5.1.c/d/e
C
1.7
B,b,E
2.3.1/2/4
A
B
b
8. B,C,D
9. A,b,E
10. C
11. b
12. C
13. B
14. A,C,E
15. C
16, B
17. A
18, B
19. A,B,C
20. A
21. b
22. Aft
23. b
24. C
25, C
MSTS
6.2.m
6.2.1. Step 1 .a
6.2.1. Step 2 .o
6.2.1. Step 3 .o
App 501-11-1 (See Colt)
Table 510-111-2-1
3.4.o
3.4.1.a/b/c
3.4.3.a.1
6.1.b
6.1.b.2
6.1.b.2
6.1.e
6th
6th
6.1.k
6,1.n.2
6.1.t.5&6
6.1.t.8
6.2.b
6.2.b
6,2.e
6.2.1
6.2.1
(See Colt)
(See Colt)
(See Colc)
(See Colt)
30
November 2023