NCCCO PRACTICE EXAM QUESTIONS AND
DETAILED SOLUTIONS 2026
▶ 8. Who should an operator respond to a "stop" signal from?
a. Appointed signal person only
b. Project manager only
c. Superintendent only
d. Anyone. Answer: d.
▶ 9. Which area do truck cranes without a 5th outrigger generally have no
lifting capacity unless the manufacturer states otherwise?
a. The side
b. The rear
c. The front
d. The outriggers. Answer: c.
▶ 10. What is the definition of "operating radius?"
a. The distance from the base of the boom to the center of the load b. The
distance from the front of the crane to the center of gravity of the load
c. The distance from the center of rotation of the crane to the center of the
load
d. The distance from the center of rotation of the crane to the center of
gravity of the load. Answer: d.
▶ 11. 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. Answer: c.
▶ 12. 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. Answer: a.
▶ 13. 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. Answer: d.
▶ 14. 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%.. Answer: c.
▶ 15. 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. Answer: c.
▶ 16. 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. Answer: c.
▶ 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.. 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
DETAILED SOLUTIONS 2026
▶ 8. Who should an operator respond to a "stop" signal from?
a. Appointed signal person only
b. Project manager only
c. Superintendent only
d. Anyone. Answer: d.
▶ 9. Which area do truck cranes without a 5th outrigger generally have no
lifting capacity unless the manufacturer states otherwise?
a. The side
b. The rear
c. The front
d. The outriggers. Answer: c.
▶ 10. What is the definition of "operating radius?"
a. The distance from the base of the boom to the center of the load b. The
distance from the front of the crane to the center of gravity of the load
c. The distance from the center of rotation of the crane to the center of the
load
d. The distance from the center of rotation of the crane to the center of
gravity of the load. Answer: d.
▶ 11. 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. Answer: c.
▶ 12. 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. Answer: a.
▶ 13. 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. Answer: d.
▶ 14. 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%.. Answer: c.
▶ 15. 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. Answer: c.
▶ 16. 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. Answer: c.
▶ 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.. 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
