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NCCCO MOBILE CRANE EXAM
QUESTIONS AND ANSWERS UPDATED
(2026/2027) (VERIFIED ANSWERS)
1. What applies to the capacities below the bold line shown on a load chart?
a. They are based on the structural strength of the crane
b. They must not be used
c. They are based on the stability of the crane
d. They should only be used if the crane is set up on outriggers CORRECT
ANSWER: c.
2. In which quadrant are rough terrain crane capacities generally greater?
a. Over the front
b. Over the rear
c. Over the right side
d. Over the left side CORRECT ANSWER: a.
3. According to federal requirements, under what conditions is it okay for a
person to ride the headache ball?
a. When there is no other way to gain access
b. When the lift has been approved by an engineer
c. When other means would be more dangerous
d. It is never okay CORRECT ANSWER: d.
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4. By what percentage do most manufacturers require a crane's load chart
capacity to be reduced by for duty cycle operations such as high-volume concrete
placement?
a. 10%.
b. 15%.
c. 20%.
d. 30%. CORRECT ANSWER: c.
5. From which two points should the boom be measured?
a. From the base of the boom to the center of the boom tip sheave
b. From the boom hinge pins to the boom tip
c. From the boom hinge pins to the center of the boom tip sheaved. d. From the
base of the boom to the boom tip CORRECT ANSWER: c.
6. What is the preferred method of installing wire rope from a reel onto a hoist
drum?
a. The rope runs from the top of the reel to the bottom of the drum
b. The rope runs from the bottom of the reel to the top of the drum
c. The rope runs from the top of the reel to the top of the drum
d. There is no preferred method CORRECT ANSWER: c.
7. 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.
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8. 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.
9. What is the OSHA regulation governing cranes in construction?
a. 1910.180
b. 1926.1400
c. 1926.556
d. 1910.184 CORRECT ANSWER: b.
10. 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.
11. 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.
NCCCO MOBILE CRANE EXAM
QUESTIONS AND ANSWERS UPDATED
(2026/2027) (VERIFIED ANSWERS)
1. What applies to the capacities below the bold line shown on a load chart?
a. They are based on the structural strength of the crane
b. They must not be used
c. They are based on the stability of the crane
d. They should only be used if the crane is set up on outriggers CORRECT
ANSWER: c.
2. In which quadrant are rough terrain crane capacities generally greater?
a. Over the front
b. Over the rear
c. Over the right side
d. Over the left side CORRECT ANSWER: a.
3. According to federal requirements, under what conditions is it okay for a
person to ride the headache ball?
a. When there is no other way to gain access
b. When the lift has been approved by an engineer
c. When other means would be more dangerous
d. It is never okay CORRECT ANSWER: d.
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4. By what percentage do most manufacturers require a crane's load chart
capacity to be reduced by for duty cycle operations such as high-volume concrete
placement?
a. 10%.
b. 15%.
c. 20%.
d. 30%. CORRECT ANSWER: c.
5. From which two points should the boom be measured?
a. From the base of the boom to the center of the boom tip sheave
b. From the boom hinge pins to the boom tip
c. From the boom hinge pins to the center of the boom tip sheaved. d. From the
base of the boom to the boom tip CORRECT ANSWER: c.
6. What is the preferred method of installing wire rope from a reel onto a hoist
drum?
a. The rope runs from the top of the reel to the bottom of the drum
b. The rope runs from the bottom of the reel to the top of the drum
c. The rope runs from the top of the reel to the top of the drum
d. There is no preferred method CORRECT ANSWER: c.
7. 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.
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8. 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.
9. What is the OSHA regulation governing cranes in construction?
a. 1910.180
b. 1926.1400
c. 1926.556
d. 1910.184 CORRECT ANSWER: b.
10. 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.
11. 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.
