36 Which of the following can affect the crane's capacity?
a. Any of the listed factors
86 A crane accident occurs when any element of the crane operating envelope fails to perform correctly
during crane operations, maintenance, or testing which could result in any of the following EXCEPT:
Equipment malfunction
120 The horizontal distance from the center of rotation of the crane to the center of the hoist line(s)
with load applied is called:
a. Radius
120 Which of the following lift types would NOT be considered a complex lift?
a. Oxygen/Acetylene bottles in racks designed for lifting
53 A pillar-Jib crane with a capacity of 22,000 lbs. is a __________ crane.
Category 2
120 When making personnel lifts the capacity of a mobile crane for a given radius is reduced by:
a. 50%
40 Why should crane swing be relatively slow?
To prevent outward swing of the load due to centrifugal force.
107 The crane operator's main concern during crane operation is:
operating safely
120 What is a jib boom?
a. An extension attached to the main boom used when lifting light loads to a higher
elevation than that permitted by the main boom
120 The two expiration dates that are of particular importance to crane operators are:
a. The certification expiration date of the crane
b. The crane operators license expiration date
120 During performance of your pre-operational check of the crane you find minor deficiencies.
What do you do?
a. Note the deficiencies on the ODCL
48 The maximum capacity for a crane can be limited by the number of parts of wire rope reeved
between the hook block and hoisting sheaves.
True
65 If the minimum crane counterweight clearance cannot be achieved the crane team must:
Erect barricades around the crane
83 A monorail hoist with less than 20,000 lbs. capacity is a ________________ crane.
Category 3
120 All of the following are principle parts of an overhead traveling crane EXCEPT:
a. Shackles and eye bolts
89 What types of power does a Category 1 or 4 crane generally use and what is its source?
Electric or hydraulic power supplied by a diesel engine
46 What is the minimum required clearance when operating a crane in the vicinity of overhead
electrical transmission lines with a voltage of 50,000 volts or less?
20feet
38 New shackles put into the weight handling equipment program are required to have all of the
following markings EXCEPT:
a. Date of Manufacture
93 Crane operators at naval activities may be required to operate various types of cranes for which they
hold a license. Which of the following can best assure operator proficiency and safety?
Be familiarized by a qualified person before operating the crane for the first time
112 What is the crane communications hand signal pictured, with both arms extended, palms down,
moving arms back and forth horizontally?
Emergency stop
35 What should an operator do if he/she is not sure of the meaning of a signal?
b. Stop operation until the meaning of the signal is understood
39 Manufacturer's load rating charts for cranes must be:
a. visible to the operator.
51 Sling angles affect the actual stress on each leg of the sling. Lowering the angle measured from the
horizontal will:
increase the stress on each leg.
97 When ground conditions for setting up a mobile crane are less than ideal, operators must
________________.
use blocking or cribbing
121 If you find cracking or flaking paint on a welded joint of a structural component on the boom,
you should:
a. look closer to see if it is a crack.
55 How is electrical current conveyed from the revolving portion of the crane to the lower crane
structure?
Through the collector ring system
1. When operating floating cranes you must start swinging or rotating quickly and stop smoothly
to prevent excessive barge list.
a. False
18 Components that provide protection for operation and maintenance
personnel working on or in the path of cranes.
a. General Safety Device
120 Components that control, restrain, or position the load, and upon failure would cause dropping,
shifting or uncontrolled movement of the loads are ____________.
a. load controlling parts
94
Select three factors that shall be considered when selecting a crane for a particular job.
The crane operator's qualifications
The weight of the load
The height of the lift
101 What is the purpose of a hoist limit switch?
To prevent overtravel of the hook block and the possibility of two-blocking
90 The formula for determining the area of a triangular shaped object is:
Base x Height divided by 2
40 If you find a deficiency that will affect the safe operation of the crane during the pre-operational
check all of the following actions must be taken EXCEPT:
a. Operate that specific function again to ensure there is a problem
i. When setting up mobile cranes, the minimum clearance between the rotating
upper works and fixed objects should be:
a. 2 feet
52 "Side loading" a crane boom by "dragging" loads or lifting a load with a non-vertical hoist may result
in ___________
any of the listed factors.
87 The crane operator STOPS the crane whenever ________ is in question.
Safety
92 The crane operator is responsible for the pre-use ________ of the crane.
Check
64 When are operators required to perform an operator's daily check of the crane?
Prior to the first use of the crane each day.
109 Which tag(s) alerts operators to special instructions for operating the equipment?
Caution Tag
79 Knowing the load's approximate center of gravity prior to rigging or lifting a load is important:
for all reasons listed
44 Is it necessary for the operator to see the load or work area?
Not if there is a designated signal person who is in control of the lift and is in view of the
operator, or if the signal giver is in constant radio contact with the operator.
95 Failure to lower the tilt-blocks or bed wedges when traveling locomotive cranes around curves, will
most likely result in:
derailment.
118 If an object has a volume of 200 cubic feet. and the unit weight is 150 lbs. per cubic foot, what is its
weight?
30,000 lbs.
43 On cranes, lowering the boom with the hook blocks raised will most likely result in _______________
two blocking.
121 The rigger in charge has primary responsibility for determining the weight of an object to be
hoisted, however, the operator must be satisfied that the estimated weight to be lifted will not
exceed the safe load carrying capacity of the crane.
a. True
110 When securing rough terrain cranes the hydraulic-extendible boom should be in a near vertical
position.
False
71 If an object is 6 feet long, 5 feet wide, and 4 feet high, what is the volume of the object?
120 cubic feet
1. The minimum crane team for a mobile crane on outriggers would consist of:
a. The Crane Operator and Rigger in Charge
58 When pre-planning a lift with a mobile crane, which of the following is the LEAST important
information the crane operator must know?
The maximum radius at which the crane will be working.
99 Portal crane operators shall stop crane travel if materials or vehicles are inside crane clearance lines.
True
122 Extending a telescoping boom without lowering the hoist may result in "two-blocking" the
crane.
a. True
80 Who is responsible for making certain that a load is properly secured and balanced before a lift is
made?
The rigger, but the operator shall not lift a load if he/she detects any defects in the attachment
113 What should be done when leaving a crane at the end of the work shift?
Secure power
Ensure all controls are in the neutral or "off" position
Set brakes, rotate locking devices and drum pawls
84 The majority of crane accidents are attributed to which of the following?
Personnel error
121 What is two-blocking and why is two-blocking dangerous?
a. Two-blocking occurs when the hook block comes in contact with the upper sheave block
during hoisting of the hook (or lowering the boom). It is dangerous because it could
result in damage to the crane, parting of the hoist lines, and dropping the load.
73 To determine how much weight can be lifted with a crane, you must deduct the weight of
_______________ from the gross capacity shown on the load chart.
all rigging gear
103 Common modes of operation for typical OET bridge cranes are:
hoist, trolley, and bridge.
120 When crane accidents happen or damage is found, you must do all of the following EXCEPT:
a. Continue operating until the supervisor performs an evaluation
117 What are the 5 principal parts of Category 1 and Category 4 cranes?
Boom, operator's cab, carrier frame, bridge girders, and controllers
66 Components that affect the safety and capability of the WHE, by stopping or limiting the operation
when activated are __________________.
operational safety devices
91 Components that support the load, and upon failure would cause dropping or uncontrolled lowering
of the load are ____________.
load bearing parts
123 What is the minimum amount of rope that shall be on a grooved drum and a smooth drum?
a. 2 full wraps, 3 full wraps
70 What is the crane communications hand signal pictured, with the arm extended downward,
forefinger pointing down, and moving the hand in a small horizontal circle?
Lower
120 In cold weather operation, what precautions should be taken during the pre-operational check
or ODCL to avoid damage when sheaves may be frozen?
a. Raise the blocks and boom before lowering them
96 When traveling a hydraulic truck-crane over the highway between job sites, always secure the
_______________ to the carrier frame with a weak link to prevent damage.
Hooks
45 A floating crane with a capacity of 200,000 lbs. is a ________________ crane.
Category 1
32 The Grove RT740 is equipped with a stowed Tele-offsettable boom extension. The whip line with
a 7 ½ ton headache ball is reeved over the auxiliary boom nose. The main block is a 45 ton 3
sheave w/cheekplates
Use the Grove RT - 740 Rough Terrain Load Chart to answer this question.
Find the net capacity for the main hook reeved with 6 parts of line using a 75-foot boom length
at a maximum radius of 32 feet.
a. 18,988 lbs.????
111 While the members of the crane team have defined responsibilities, each have joint responsibilities
as well. Each member is responsible for all of the following EXCEPT:
calculating the total load for each lift.
115 Which of the following identify the two categories of crane lifts?
Complex and Non-Complex
114 Select the proper method of landing a load.
Lower the load slowly, stop a few inches from the landing point, then slowly lower the
rest of the way.
119 Bridge cranes with rated capacities of less than 20,000 lbs. are classified as ______ cranes.
Category 3
124 Why is it important to have bent or dented crane boom members inspected and evaluated?
a. Because bends and dents can reduce the strength of a boom, resulting in sudden
collapse
63 A rubber-tired gantry crane with a capacity of 16,000 lbs. is a __________ crane.
Category 1
120 All of the following require a license to operate EXCEPT a:
a. Non-cab operated category 3-bridge crane
72 Most synthetic web slings should NOT be used in areas where temperatures exceed 194 degrees
Fahrenheit.
True
77 Which of the following is used with a physical locking device placed at the energy source?
Lockout Tag
120 What is the weight of a 24 sq ft, 2 inch thick aluminum plate with a unit weight of 15 lbs. per
square foot of material per inch of thickness?
a. 720 lbs.
31 A portal crane with a capacity of 120,000 lbs. is a ________________ crane.
a. Category 1
60 An OET Bridge crane with a rated capacity of 16,000 lbs. is a ___________ crane.
Category 3
67 The values listed in the manufacturer's capacity charts for most mobile cranes are:
Total capacity
69 Which of the following is considered to be the best way the operator can ensure the crane is safe to
operate on any given day?
Perform Daily Pre-use Checks
41 A commercial truck mounted crane with a capacity of 14,000 lbs. is a __________ crane.
Category 4
125 If the crane operator and the rigger in charge disagree on whether or not a load is safe to lift the
operator should:
a. not operate the crane until contacting the supervisor to resolve the issue.
49 What is the bridge crane communications hand signal pictured, with the palms up, fingers closed;
thumb pointing in the direction of motion, and jerking horizontally?
Trolley travel
54 Crane Operators are responsible for all of the following EXCEPT:
Slowing down when signals are unclear
74 When is it permissible for an operator to leave the controls of a crane while a load is suspended from
the hook?
The operator shall remain at the controls at all times while a load is suspended from the hook.
82 How should an operator check the hoist brakes when lifting a load?
Lift the load a few inches off the ground and stop hoisting to ensure there is no slippage of the
brakes.
85 Which of the following is NOT part of an ODCL Check?
Maintenance check
50 When can an unlicensed crane operator trainee operate a crane?
Only under the direct observation of a licensed operator
78 Bridge cranes with rated capacities of 20,000 lbs. or greater are classified as ______ cranes.
Category 2
108 Which of the following formulas would be used to find the volume of a rectangular or square
shaped 3 dimensional object?
Length X width X height
57 Crane Configuration:
The Grove RT740 is equipped with a stowed Tele-offsettable boom extension. The whip line with a 7 ½
ton headache ball is reeved over the auxiliary boom nose. The main block is a 45 ton 3 sheave
w/cheekplates
Use the Grove RT - 740 Rough Terrain Load Chart to answer this question.
Find the gross capacity for lifting with the main hook reeved with 6 parts of line using a 75-foot boom
length and lifting at a maximum radius of 32 feet?
23,800 lbs
100 Who is primarily responsible for evaluating a Crane Operators physical and emotional fitness?
The Crane Operator
30 What are the actions required if an asterisked item on the ODCL is found unsatisfactory during
the pre-use check of the crane?
a. Stop operations, notify your supervisor of the condition, and annotate the deficiency on
the ODCL.
20 The Rated Load of the hook block installed on a crane may limit the crane's lifting capacity.
a. True
68 What is the crane communications hand signal, pictured, with the arm vertical, forefinger pointing
up, moving the hand in small horizontal circle?
Hoist
61 What is the crane communications hand signal pictured, with the arm extended to the side, fist
closed, and index finger pointing outward?
Swing or Rotate
120 Which of the following is NOT an acceptable method of communication between the signal
person and the crane operator?
a. Signal Flags
75 Shackles, wire rope slings, and /or eyebolts, may be used to their full capacity when used within ____
of vertical.
5°
105 What is the crane communications hand signal pictured, with the arm extended, palm down,
moving the arm back and forth horizontally?
Stop
98 What is the crane communications hand signal pictured, with the arm extended, fist closed and the
thumb pointing up?
Raise boom
120 While performing a pre-use check, the operator must check the wire rope system for all of the
following EXCEPT:
a. Size and grade of wire rope
104 Out of the cranes listed below, select the four (4) Category 1 crane types.
Floating Crane
Tower Crane
Portal Crane
Mobile Crane
47 Which of the following steps DOES NOT apply to securing lattice-boom cranes:
Retract the boom fully
120 The crane operator must check the certification information on the crane for________ before
operating the crane.
a. certification expiration date, crane ID, and certified capacity
116 Two-crane lifts require two signalmen to safely control the load.
False
102 What is the bridge crane communication hand signal pictured, with the arm extended forward,
hand open and slightly raised, making a pushing motion?
Bridge travel
42 What is the definition of "boom length"?
The distance from the center of rotation on the crane to the center of the boom tip sheave
88 When taking any medications that can affect a person's capability to think, reason, or react in normal
situations, the operator should do which of the following?
Report it to his/her supervisor.
62 What signal may an operator obey from a person other than the designated signal giver?
Stop
59 Commercial truck-mounted cranes having telescoping or articulating booms and a capacity of less
than 2,000 lbs. are classified as ______ cranes.
Category 4
41 If an object is 6 feet long, 4 feet wide, and 2" thick, what is the area of the object?
a. 24 square feet
106 When performing "PICK AND CARRY" lifts with a mobile crane, which of the following precautions is
NOT a consideration?
All tires off the ground
76 Why should extreme caution be used when lifting loads from the water?
Because the load on the crane may increase as the object leaves the water due to loss of
buoyancy, water held inside the object, and/or surface tension (suction).
120 An OET, Bridge crane with a capacity of 80,000 lbs. is a ________________ crane.
Category 2
Which of the following precautions is a consideration for pick and carry lifts?
All considerations listed
121 When should the rotate locking device be engaged on a mobile crane?
a. Whenever the operator leaves the cab
b. While the crane is traveling with a load in "pick and carry" mode
c. When landing a load
d. Any other time required by the crane OEM
e. When hoisting a load
56 Why should the hook be positioned directly over the load when attaching the load?
To avoid side loading of the boom and dragging the load as it is picked up
32 The crane operator can check the accuracy of the load moment indicator (LMI) against known
weights and radii.
a. True
81 Regardless of the method of communication used all crane signals must be ____________________.
Understood
33 When should a tagline be used during lifting operations?
a. To prevent the load from swinging or rotating