NCCCO Final Test Questions With
Complete Solutions graded A+
Which area do truck cranes without a 5th outrigger generally have no lifting capacity
unless the manufacturer states otherwise? - CORRECT ANSWER-The front
What is the definition of "operating radius?" - CORRECT ANSWER-The distance from
the center of rotation of the crane to the center of gravity of the load
What applies to the capacities below the bold line shown on a load chart? - CORRECT
ANSWER-They are based on the stability of the crane
In which quadrant are rough terrain crane capacities generally greater? - CORRECT
ANSWER-Over the front
What percentage do most manufacturers requires a crane's load chart capacity to be
reduced by for duty cycle operations - such as high-volume concrete placement? -
CORRECT ANSWER-20%
From which two points should the boom be measured? - CORRECT ANSWER-From
the boom hinge pins, to the center of the boom tip sheave
What is the preferred method of installing wire rope from a reel onto a hoist drum? -
CORRECT ANSWER-Running the rope from the top of the reel, to the top of the drum.
Over which quadrant are truck crane capacities usually greater? - CORRECT
ANSWER-Over the rear
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
, What is the OSHA regulation governing cranes in construction? - CORRECT ANSWER-
1926.1400
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%
Where is the tipping axis of a crawler crane located? - CORRECT ANSWER-It depends
if the idler or sprocket are in line or offset from the track rollers
What should be done with materials placed under overhead energized power lines? -
CORRECT ANSWER-NOT be lifted by crane
What determines the amount of deduction required for an erected jib that is not being
used? - CORRECT ANSWER-The effective weight of the jib
What happens to ground bearing pressure if you move a crawler crane from soft ground
to harder ground? - CORRECT ANSWER-It increases
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
Where is the tipping axis of a crawler crane located? - CORRECT ANSWER-It depends
if the idler or sprocket are in line or offset from the track rollers
Where are the Standard Method hand signals found? - CORRECT ANSWER-OSHA
Subpart CC
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%
Truck crane capacities are usually greater over the _________ - CORRECT ANSWER-
Rear
Complete Solutions graded A+
Which area do truck cranes without a 5th outrigger generally have no lifting capacity
unless the manufacturer states otherwise? - CORRECT ANSWER-The front
What is the definition of "operating radius?" - CORRECT ANSWER-The distance from
the center of rotation of the crane to the center of gravity of the load
What applies to the capacities below the bold line shown on a load chart? - CORRECT
ANSWER-They are based on the stability of the crane
In which quadrant are rough terrain crane capacities generally greater? - CORRECT
ANSWER-Over the front
What percentage do most manufacturers requires a crane's load chart capacity to be
reduced by for duty cycle operations - such as high-volume concrete placement? -
CORRECT ANSWER-20%
From which two points should the boom be measured? - CORRECT ANSWER-From
the boom hinge pins, to the center of the boom tip sheave
What is the preferred method of installing wire rope from a reel onto a hoist drum? -
CORRECT ANSWER-Running the rope from the top of the reel, to the top of the drum.
Over which quadrant are truck crane capacities usually greater? - CORRECT
ANSWER-Over the rear
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
, What is the OSHA regulation governing cranes in construction? - CORRECT ANSWER-
1926.1400
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%
Where is the tipping axis of a crawler crane located? - CORRECT ANSWER-It depends
if the idler or sprocket are in line or offset from the track rollers
What should be done with materials placed under overhead energized power lines? -
CORRECT ANSWER-NOT be lifted by crane
What determines the amount of deduction required for an erected jib that is not being
used? - CORRECT ANSWER-The effective weight of the jib
What happens to ground bearing pressure if you move a crawler crane from soft ground
to harder ground? - CORRECT ANSWER-It increases
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
Where is the tipping axis of a crawler crane located? - CORRECT ANSWER-It depends
if the idler or sprocket are in line or offset from the track rollers
Where are the Standard Method hand signals found? - CORRECT ANSWER-OSHA
Subpart CC
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%
Truck crane capacities are usually greater over the _________ - CORRECT ANSWER-
Rear
