BOON INDIA
API 570 MULTI CHOICE QUESTIONS
EXTENDED MATCHING:
1.RESPONSIBILITIES
1.Design and Analysis
2.Engineering Review
3.Materials and Equipment
4.Quality Control
5.Repairs and Pressure testing
a.Owner/User
b.Engineer
c.Repair Organization
d.Inspector
e.Examiner
2.DAMAGE MECHANISMS
1.General and Local metal loss
2.Surface cracks
3.Metallurgical Change
4.Subsurface Cracks
a.Graphitization
b.Temper Embrttilement
c.Sulfidation
d.Stress Corrosion Cracks
3.CUI TEMPERATURE RANGE
1.Carbon and Low alloy steel
2.Austenitic stainless steel
3.Duplex SS temperature.
a.140°F to 350°F
b.280°F to 350°F
c.10°F to 350°F
4.AUTHORIZATION and APPROVAL
1.Repair Authorization
2.Alteration Authorization
3.Welding Procedure Approval for repairs
4.temporary repairs extension approval
a.Inspector and engineer
b.Inspector.
c.Engineer
d.inspector or Engineer.
5.DEFINITIONS
1. Thickness that provides early warning
a.structure minimum
thickness
2. Thickness based on appropriate design
Code calculations
b.Minimum alert thickness
3. Minimum allowed pipe wall thickness
Needed to hold the design pressure at
The design temperature
c.Pressure design thickness
4.Thickness based on mechanical loads other
than pressure
d.Minimum required thickness
6. Brinell hardness limit for steels in refining services.
1. Carbon steel.
2. 1¼ Cr-½ Mo.
3. 12Cr.
a. 225
b. 241.
c. 200.
Drag and Drop
1.
Arrange the below four metals in the order of anode to cathode in sea water service (two
each box).
a) Monel.
b) Steel.
c) Brass.
d) Nickel.
Anodic
2.
cathodic
Choose the best NDT method for the below damage mechanisms.
a) PT
b) WFMT.
c) ACFM.
d) ET.
Chloride SCC
3.
Amine SCC.
Ultrasonic testing examiner qualification
a)Detection of Through wall defects
b) Ultrasonic Corrosion scanning
c)Ultrasonic thickness measurement
d) Detection of internal flaws
API QUTE
4.
Repairs
a) Full encirclement box.
b) Flush patch.
c) Weld Overlay.
d) Fillet welded patch.
Temporary Repair
Permanent Repair
5.
The material used in making repair or alteration to carbon steel piping system shall:
a) Be compatible with original material,
b) have carbon equivalent more than 0.35,
c) conform to applicable code,
d) be known weldable quality,
e) be approved by repair organization’s QC inspector
6. In accordance with PCC-2 when NDE is substituted for pressure testing for repairs and
alterations which of the following methods are considered as surface NDE methods:
a) Penetrant testing.
b) Magnetic flux leakage.
c) Phased array ultrasonics.
d) Eddy current testing.
Multi Response –The following questions have two or more answers
1. The Minimum contents of an inspection plan are:
a) Define the responsibility of repair organization
b) Define the type of inspection needed
c) Describe the location of NDE
d) Describe the RBI requirements.
2. An authorized inspection agency is:
a) the inspection organization of the jurisdiction in which the piping system is used,
b) the inspection organization of an insurance company that is not licensed or registered to write
insurance for piping systems;
c) an owner or user of piping systems who maintains an inspection organization for activities
relating only to his equipment and for piping systems intended for sale or resale;
d) an independent inspection organization employed by or under contract to the owner/user of
piping systems that are used only by the owner/user and not for sale or resale.
3. Applicable NDT methods for LAP joints.
a) PT.
b) MT.
c) RT.
d) UT.
4. According to PCC-2 NDE in lieu of pressure testing to repair and alteration is advisable
when: (This may have more than one correct answer, please select all that applies)
a) NDE provides better assurance of integrity in future operations where crack initiate and
propagate are concern.
b) A pressure test is practical but NDE can be shown to provide equipment integrity assurance.
c) An in-service pressure test may result in yielding of the piping.
d) A pressure test is not practical and NDE can be shown to provide equipment integrity assurance