NCCCO Mobile Crane Inspections Latest Update
2024-2025 125 Questions and 100% Verified
Correct Answers Guaranteed A+
1. What action does a signal person intend the operator to perform if he extends his arm
at shoulder height, makes a fist with his hand, and sticks his/her thumb up?
a. Boom down
b. Swing
c. Boom up
d. Extend boom - CORRECT ANSWER: c.
1. Where must the operator's manual be kept during crane operations?
a. The operator's manual must be kept in a location that is readily available
b. The operator's manual must be kept in the cab at all times
c. The operator's manual must be kept in the dispatch office
d. The operator's manual must be kept in a secure place - CORRECT ANSWER: b.
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 - CORRECT ANSWER: d.
10. What shall be in the operators cab during crane operations?
a. load charts
b. Inspection reports
c. Hand signal chart
d. The crane log - CORRECT ANSWER: a.
,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 - CORRECT ANSWER:
c.
11. Which of the following is considered duty cycle work?
a. Pile- driving
b. Setting trusses
c. Clam - Shell digging
d Unloading trucks - CORRECT 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 - CORRECT ANSWER: a.
12. When doing cycle work, the load chart must be reduced by how much?
a. 50%
b. 20%
c. 30%
d. none - CORRECT ANSWER: b.
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 - CORRECT ANSWER: d.
13. Which components are not parts of the boom?
a. Lacing
b. Cords
c. Cross members
d. Heel pins - CORRECT 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%. - CORRECT 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 - CORRECT 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 - CORRECT ANSWER: c.
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