NCCCO Mobile Crane with All Questions with
verified correct detailed Answers Latest Update
2025
17. Over which quadrant are truck crane capacities usually greater?
a. Over the front.
b. Over the rear.
c. Over the front right outrigger.
d. Over the side. --- correct answer ---b.
18. According to OSHA, which accessible area of an operating crane must
always be barricaded?
a. The swing radius of the crane
b. The carbody or chassis
c. The swing radius of the rear of the rotating superstructure
d. The distance between the car body or chassis and the boom tip --- correct
answer ---c.
19. What is the OSHA regulation governing cranes in construction?
a. 1910.180
b. 1926.1400
c. 1926.556
,d. 1910.184 --- correct answer ---b.
20. Under which circumstance is a crack in the windshield of a crane cab
okay?
a. As long as it causes no visible distortion that would interfere with safe
operations
b. As long as it is less than 6 inches long
c. As long as the windshield is replaced on the next annual inspection d. It is
never okay --- correct answer ---a.
21. Under which circumstance does OSHA permits hoisting of personnel by
crane?
a. As long as the prevailing wind speed is less than 35 mph
b. As long as there is no less hazardous or practicable way
c. As long as all personnel have CPR training
d. As long as no aerial work platform is available --- correct answer ---b.
22. Unless the manufacturer states otherwise, what crane capacity chart is
appropriate when a crane is set up with 3 of its 4 outriggers extended and
the fourth is retracted?
a. On-outrigger chart
b. On-rubber chart
c. On-outrigger chart minus 20%
, d. On-rubber chart plus 20% --- correct answer ---b.
23. According to OSHA, while hoisting personnel, the total load must not
exceed what percentage of the crane's rated capacity?"
a. 45%
b. 50%
c. 75%
d. 85% --- correct answer ---b.
24. When is side loading of crane booms permitted?
a. When the operator says it's OK
b. So long as no jib is installed
c. Only when the outriggers are fully extended
d. Only with freely suspended loads --- correct answer ---d.
25. What is indicated if an operator makes two audible signals when moving
a crane?
a. He/she intends to stop
b. He/she intends to back up
c. He/she intends to go ahead
d. He/she intends to stop (emergency) --- correct answer ---c.
verified correct detailed Answers Latest Update
2025
17. Over which quadrant are truck crane capacities usually greater?
a. Over the front.
b. Over the rear.
c. Over the front right outrigger.
d. Over the side. --- correct answer ---b.
18. According to OSHA, which accessible area of an operating crane must
always be barricaded?
a. The swing radius of the crane
b. The carbody or chassis
c. The swing radius of the rear of the rotating superstructure
d. The distance between the car body or chassis and the boom tip --- correct
answer ---c.
19. What is the OSHA regulation governing cranes in construction?
a. 1910.180
b. 1926.1400
c. 1926.556
,d. 1910.184 --- correct answer ---b.
20. Under which circumstance is a crack in the windshield of a crane cab
okay?
a. As long as it causes no visible distortion that would interfere with safe
operations
b. As long as it is less than 6 inches long
c. As long as the windshield is replaced on the next annual inspection d. It is
never okay --- correct answer ---a.
21. Under which circumstance does OSHA permits hoisting of personnel by
crane?
a. As long as the prevailing wind speed is less than 35 mph
b. As long as there is no less hazardous or practicable way
c. As long as all personnel have CPR training
d. As long as no aerial work platform is available --- correct answer ---b.
22. Unless the manufacturer states otherwise, what crane capacity chart is
appropriate when a crane is set up with 3 of its 4 outriggers extended and
the fourth is retracted?
a. On-outrigger chart
b. On-rubber chart
c. On-outrigger chart minus 20%
, d. On-rubber chart plus 20% --- correct answer ---b.
23. According to OSHA, while hoisting personnel, the total load must not
exceed what percentage of the crane's rated capacity?"
a. 45%
b. 50%
c. 75%
d. 85% --- correct answer ---b.
24. When is side loading of crane booms permitted?
a. When the operator says it's OK
b. So long as no jib is installed
c. Only when the outriggers are fully extended
d. Only with freely suspended loads --- correct answer ---d.
25. What is indicated if an operator makes two audible signals when moving
a crane?
a. He/she intends to stop
b. He/she intends to back up
c. He/she intends to go ahead
d. He/she intends to stop (emergency) --- correct answer ---c.
