Test Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
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1. When setting up mobile cranes, the minimum clearance between the rotating
upper works and fixed objects should be?
A) 1 foot
B) 2 feet
C) 3 feet
D) 4 feet
E) 5 feet - Correct Answer: incorrect
D) 4 feet
2. The rated load of the hook block installed on a crane may limit the crane's
lifting capacity.
A) True
B) False - Correct Answer: A) True
3. 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
,B) Put the load in a safe condition
C) Standby for instructions
D) Stop operations
E) Contact your supervisor - Correct Answer: A) Continue operating until the
supervisor performs an evaluation
4. When should the rotate locking device be engaged on a mobile crane?
A) when hoisting a load
B) while the crane is traveling with a load in "pick and carry" mode
C) any other time required by the crane OEM
D) when landing a load
E) whenever using the LMI system
F) whenever the operator leaves the cab - Correct Answer: incorrect
B) while the crane is traveling with a load in "pick and carry" mode
C) any other time required by the crane OEM
D) when landing a load
F) whenever the operator leaves the cab
5. 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) Check the hoist and boom lower limit switches first
B) Hoist down first and check the lower limit switch
C) Raise the blocks and boom before lowering them
D) Lower the boom prior to raising it
,E) Lower the blocks prior to raising them - Correct Answer: C) Raise the blocks
and boom before lowering them
6. If the crane operator and the Rigger-in-Charge disagree on whether or not a
load is safe to lift, the operator should-
A) Follow the instructions of the Rigger-in-Charge
B) Note the incident on the back of the ODCL card
C) Not operate the crane until contacting the supervisor to resolve the issue
D) Proceed slowly with extreme caution
E) Tell his or her supervisor at the end of the shift - Correct Answer: C) Not
operate the crane until contacting the supervisor to resolve the issue
7. Components that control, restrain, or position the load and upon failure W
would cause dropping, shifting, or uncontrolled movement of the load are
A) Alterations and/or modifications
B) Operational safety devices
C) Load bearing parts
D) Load controlling parts
E) General safety devices - Correct Answer: D) Load controlling parts
8. 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
, B) False - Correct Answer: A) True
9. The crane operator must check the certification information on the crane for
before operating the crane.
A) Operator's name, license number, and expiration date
B) Certified capacity, gross vehicle weight, and expiration date
C) Crane ID number, OEM capacity, and test date
D) Certification expiration date, crane ID, and certified capacity
E) Crane manufacturer, crane ID, and certified capacity - Correct Answer: D)
Certification expiration date, crane ID, and certified capacity
10. During performance of your pre-operational check of the crane, you find
minor deficiencies. What do you do?
A) Stop, secure the crane, and notify your supervisor. Do not operate the crane
until the deficiencies are corrected
B) Shut the crane down and return to your supervisor for additional work
C) Call your supervisor and let him or her know what the deficiencies are
D) Note the deficiencies on the ODCL - Correct Answer: D) Note the
deficiencies on the ODCL not A) Stop, secure the crane, and notify your supervisor.
Do not operate the crane until the deficiencies are corrected
12. Why is it important to have bent or dented crane boom members inspected
and evaluated?
up
A) Because bends and dents may cause the wire rope to get hung