NCCCO CORE EXAM 2023-2024 ACTUAL EXAM
100 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS ) |ALREADY
GRADED A
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
According to federal requirements, under what conditions is it okay for a person to ride the headache ball?It is never okay
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By what percentage do most manufacturers require 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?The rope runs 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
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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
Under which circumstance is a crack in the windshield of a crane cab okay?As long as it causes no visible distortion that would interfere with safe operations
Under which circumstance does OSHA permits hoisting of personnel by crane?As long as there is no less hazardous or practicable way
Unless the manufacturer states otherwise, what crane capacity chart is appropriate when a crane is set up with 3 of its 4 outriggers extended and the fourth is retracted?On-rubber chart
According to OSHA, while hoisting personnel, the total load must not exceed what percentage of the crane's rated capacity?" 50%
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