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LATEST NCCCO CORE EXAM QUESTIONS WITH 100% CORRECT ANSWERS
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LATEST NCCCO CORE EXAM QUESTIONS WITH 100% CORRECT ANSWERS LATEST NCCCO CORE EXAM QUESTIONS WITH 100% CORRECT ANSWERS
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LATEST NCCCO CORE EXAM 2024-2025QUESTIONS WITH 100% CORRECT ANSWERS
Before leveling a mobile crane on outriggers, an operator should ensure: - CORRECT
ANSWER there is no weight of the crane bearing on any tires
Operating a mobile crane with a long boom, on uneven ground, what support condition
should be considered? - CORRECT ANSWER Keeping 90 degree angle between
cylinder rod and pad
What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? -
CORRECT ANSWER Separate the boom hoist lines
How many randomly broken wires in a lay length must there be on a mobile cranes hoist
line, before it should be removed from service? - CORRECT ANSWER 6
On a mobile crane, how many broken wires are permitted at the end connection of a
pendent before it must be taken out of service? - CORRECT ANSWER 1
Type 1 rotation resistant hoist wire rope has a design factor of: - CORRECT ANSWER
5 to 1
How many randomly distributed broken wires in rotation- resistant hoist wire rope are
considered for replacement? - CORRECT ANSWER 2 broken wires in 6 rope
diameters
The term net capacity is best defined by which of the terms listed below? - CORRECT
ANSWER Gross capacity minus capacity deductions
,LATEST NCCCO CORE EXAM 2024-2025
QUESTIONS WITH 100% CORRECT ANSWERS
Mobile cranes that are set up on barges, shall have a list chart provided by which of the
entities listed below? - CORRECT ANSWER Manufacturer
When lifting loads on tires, mobile cranes are rated at what percentage of tipping? -
CORRECT ANSWER 75%
How does the effective weight of a slowed extension relate to the actual weight of the
extension? - CORRECT ANSWER Higher than the actual weight.
When load radius is between radii values, the operator must use the: - CORRECT
ANSWER longer radius
Why should only approved attachments or extra counterweights provided by the
manufacturer be placed on the rear of the crane? - CORRECT ANSWER They could
cause a backward stability problem.
A mobile crane's jib is offset 15º versus its original 0º offset, but the boom angle
remains unchanged. In this situation, the load radius: - CORRECT ANSWER
increases
Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major
effect? - CORRECT ANSWER Collapsing the boom.
, LATEST NCCCO CORE EXAM 2024-2025
QUESTIONS WITH 100% CORRECT ANSWERS
When determining the position to a mobile crane should be left in over night, when high
winds in the forecast the operator should: - CORRECT ANSWER Follow the
manufacturers recommendations.
If a mobile crane is NOT set-up level and the operator swings the load from the high side
to the low side, what effect will that have on the radius? - CORRECT ANSWER The
radius increase.
Increasing the distance from the crane's center of gravity to the tipping axis will have
what effect on the mobile crane? - CORRECT ANSWER Decreases stability.
Backward stability of a mobile crane is tested in which configuration listed below? -
CORRECT ANSWER Basic boom at minimum angle with no load
Deflection of the boom while operating a mobile crane will increase? - CORRECT
ANSWER Load Radius (Swings out)
A sudden start or stop of the hoisting function while operating a mobile crane can
produce a: - CORRECT ANSWER dynamic load
Before lifting an occupied personnel platform on a job site, which of the following
applies? - CORRECT ANSWER Use 50% of rated capacity, Trial lift to anticipated
weight, Ensure rigging dedicated to platform only.
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