NCCCO Final Test Latest Update 2024-2025
Questions and 100% Verified Correct Answers
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A truck crane is set up on outriggers. The part of the load chart governed by stability is
based on what percentage of the cranes capacity? - CORRECT ANSWER: 85%
According to ASME, what percentage of the manufacturer's crane rating must not be
exceeded if a load test is done on a repaired crane? - CORRECT ANSWER: 100%
According to OSHA 29 CFR 1910.180, how accurate must a load weight be if it is in the
structural portion of the load chart? - CORRECT ANSWER: Plus of minus 10%
According to OSHA, when can an operator leave his seat with a suspended load in the
air? - CORRECT ANSWER: Almost never (and the exception requires that four
conditions be met)
According to OSHA, which accessible area of an operating crane must always be
barricaded? - CORRECT ANSWER: The swing radius of the rear of the rotating
superstructure
Based on OSHA and ASME standards, which of the following conditions are required for
blocking or cribbing? - CORRECT ANSWER: • Blocking/Cribbing must provide 100%
support for each float,
• Must be large enough in area² to prevent sinking,
• Must be strong enough to prevent crushing, bending, or shear failure.
Blocking (Cribbing) may be placed under outrigger beams: - CORRECT ANSWER:
Never.
, From which two points should the boom be measured? - CORRECT ANSWER: From
the boom hinge pins, to the center of the boom tip sheave
How does the use of outriggers increase the tipping capacity of a crane? - CORRECT
ANSWER: By moving the tipping axis further from the center of gravity of the crane
How should the wheels of a crane be positioned when it is set up for working on
outriggers? - CORRECT ANSWER: Just high enough off the ground to relieve the tires
of crane weight
If the operator makes two audible signals when moving a crane, he/she intends to
______________ - CORRECT ANSWER: Go ahead
In which quadrant are rough terrain crane capacities generally greater? - CORRECT
ANSWER: Over the front
Is there an official requirement that requires each outrigger float on blocking to be 100%
supported? - CORRECT ANSWER: Yes. This is enquires
List four things an operator should consider when deciding how much, if any, to reduce
operating capacity in the wind. - CORRECT ANSWER: 1) If speeds are 20mph
2) Direction of wind
3) Surface area of boom length & load
4) Manufacturers instructions
List two examples of outrigger use in which the crane's leverage on the load is reduced.
- CORRECT ANSWER: Outriggers not fully extended, tires not off ground
List two reasons crane manufacturers require reductions in capacity for duty cycle work.
- CORRECT ANSWER: 1) dynamic loading
2) increased radius
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