NCCCO TSS FINAL EXAM 2024/2025 PRACTICE
QUESTIONS AND ANSWERS
Which area do truck cranes without a 5th outrigger generally have no lifting
capacity unless the manufacturer states otherwise?
The front
What is the definition of "operating radius?"
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?
They are based on the stability of the crane
In which quadrant are rough terrain crane capacities generally greater?
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?
, 20%
From which two points should the boom be measured?
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?
Running the rope from the top of the reel, to the top of the drum.
Over which quadrant are truck crane capacities usually greater?
Over the rear
According to OSHA, which accessible area of an operating crane must always be
barricaded?
The swing radius of the rear of the rotating superstructure
What is the OSHA regulation governing cranes in construction?
1926.1400
QUESTIONS AND ANSWERS
Which area do truck cranes without a 5th outrigger generally have no lifting
capacity unless the manufacturer states otherwise?
The front
What is the definition of "operating radius?"
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?
They are based on the stability of the crane
In which quadrant are rough terrain crane capacities generally greater?
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?
, 20%
From which two points should the boom be measured?
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?
Running the rope from the top of the reel, to the top of the drum.
Over which quadrant are truck crane capacities usually greater?
Over the rear
According to OSHA, which accessible area of an operating crane must always be
barricaded?
The swing radius of the rear of the rotating superstructure
What is the OSHA regulation governing cranes in construction?
1926.1400
