NCCCO Mobile Crane Exam (2024/2025) Questions with Correct Detailed Answers || Already Graded A+ <LATEST VERSION>
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NCCCO Mobile Crane
Institution
NCCCO Mobile Crane
NCCCO Mobile Crane Exam (2024/2025)
Questions with Correct Detailed
Answers || Already Graded A+
<LATEST VERSION>
1. 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
operat...
NCCCO Mobile Crane Exam (2024/2025)
Questions with Correct Detailed
Answers || Already Graded A+
<LATEST VERSION>
1. 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 - ANSWER ✔ a.
2. 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 - ANSWER ✔ b.
3. 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% - ANSWER ✔ b.
,4. 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% - ANSWER ✔ b.
5. 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 - ANSWER ✔ d.
6. 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) - ANSWER ✔ c.
7. When may blocking (cribbing) be placed under outrigger beams?
a. When beams cannot be extended all the way out
b. To increase capacity
c. To improve stability
d. Never - ANSWER ✔ d.
8. Upon completion of assembly of the crane, what must be done? - ANSWER
✔ An inspection to ensure that manufacturer specifications are met
9. During crane assembly, the counter weight should be installed when? -
ANSWER ✔ Before raising the boom
, 10.A long boom crane at a short radius and out of level by 300 can see a
reduction incapacity by as much as: - ANSWER ✔ 50%
11.Crane stability is based on - ANSWER ✔ lever principle
12.What is the OSHA standard for cranes in construction industry? - ANSWER
✔ 29 CFR-1926. Subpart CC
13.What are the requirements to be a crane inspector? - ANSWER ✔ Same as
operator
14.What percentage of the crane chart is considered a critical lift? - ANSWER
✔ 75%
15.A multi crane lift shall require - ANSWER ✔ Critical lift plan, reduction of
gross capacity by 25% and one designated person in charge.
16.When doing a pick and carry, tire pressure must - ANSWER ✔ meet
manufacturer's specifications
17.The load chart is matched to the crane by: - ANSWER ✔ Serial number
18.Where do you find recommended reeving for the hoist lines? - ANSWER ✔
Owner's manual
19.What is the result of placing timber blocking under the tips of the tracks on a
crawler crane?
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