NCCCO CORE EXAM WITH CORRECT QUESTIONS AND ANSWERS 2025

NCCCO CORE EXAM WITH CORRECT
QUESTIONS AND ANSWERS 2025

A) Before leveling a mobile crane on outriggers, an operator should

ensure: - CORRECT-ANSWERS>>>>>there is no weight of the crane

bearing on any tires

B) Operating a mobile crane with a long boom, on uneven ground, what

support condition should be considered? - CORRECT-

ANSWERS>>>>>Keeping 90 degree angle between cylinder rod and

pad

C) What is the primary purpose fir a rooster sheave or auxiliary boom

point sheave? - CORRECT-ANSWERS>>>>>Separate the boom hoist

lines

D) 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-ANSWERS>>>>>6

E) 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-ANSWERS>>>>>1

F) Type 1 rotation resistant hoist wire rope has a design factor of: -

CORRECT-ANSWERS>>>>>5 to 1

,G) How many randomly distributed broken wires in rotation- resistant

hoist wire rope are considered for replacement? - CORRECT-

ANSWERS>>>>>2 broken wires in 6 rope diameters

H) The term net capacity is best defined by which of the terms listed

below? - CORRECT-ANSWERS>>>>>Gross capacity minus capacity

deductions

I) Mobile cranes that are set up on barges, shall have a list chart

provided by which of the entities listed below? - CORRECT-

ANSWERS>>>>>Manufacturer

J) When lifting loads on tires, mobile cranes are rated at what percentage

of tipping? - CORRECT-ANSWERS>>>>>75%

K) How does the effective weight of a slowed extension relate to the

actual weight of the extension? - CORRECT-ANSWERS>>>>>Higher

than the actual weight.

L) When load radius is between radii values, the operator must use the: -

CORRECT-ANSWERS>>>>>longer radius

M) Why should only approved attachments or extra counterweights

provided by the manufacturer be placed on the rear of the crane? -

CORRECT-ANSWERS>>>>>They could cause a backward stability

problem.

N) 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-ANSWERS>>>>>increases

, O) Abruptly stopping a rapid swing on a long-boom mobile crane will

produce what major effect? - CORRECT-ANSWERS>>>>>Collapsing

the boom.

P) When determining the position to a mobile crane should be left in over

night, when high winds in the forecast the operator should: - CORRECT-

ANSWERS>>>>>Follow the manufacturers recommendations.

Q) 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-ANSWERS>>>>>The radius increase.

R) Increasing the distance from the crane's center of gravity to the tipping

axis will have what effect on the mobile crane? - CORRECT-

ANSWERS>>>>>Decreases stability.

S) Backward stability of a mobile crane is tested in which configuration

listed below? - CORRECT-ANSWERS>>>>>Basic boom at minimum

angle with no load

T) Deflection of the boom while operating a mobile crane will increase? -

CORRECT-ANSWERS>>>>>Load Radius (Swings out)

U) A sudden start or stop of the hoisting function while operating a mobile

crane can produce a: - CORRECT-ANSWERS>>>>>dynamic load

V) Before lifting an occupied personnel platform on a job site, which of the

following applies? - CORRECT-ANSWERS>>>>>Use 50% of rated

capacity, Trial lift to anticipated weight, Ensure rigging dedicated to

platform only.