Free NCCCO Mobile Crane Operator Test 1
What is the most unstable permitted operating quadrant for a crawler crane?
Correct!
Wrong!
Which two points are appropriate for measuring the boom?
Correct!
Wrong!
Which quadrant often has larger capacity for rough terrain cranes?
Correct!
Wrong!
What inspections need to be done on cranes that have been idle for more than six months?
Correct!
Wrong!
What percentage of the load chart capacity of a crane must be decreased for duty cycle tasks like high-volume concrete installation, according to the majority of manufacturers?
Correct!
Wrong!
What holds true for the capacity displayed on a load chart below the bold line?
Correct!
Wrong!
The crane’s backward stability is evaluated using:
Correct!
Wrong!
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When is it okay to load crane booms sideways?
Correct!
Wrong!
What percentage of the upgrade must the crane be level?
Correct!
Wrong!
What is the minimal design factor needed for an auxiliary hoist rope, boom, or right regular lay main?
Correct!
Wrong!
Which crane capacity chart is acceptable when a crane is set up with three of its four outriggers extended and the fourth retracted, unless the manufacturer specifies otherwise?
Correct!
Wrong!