Free NCCCO Mobile Crane Operator Test 1
What holds true for the capacity displayed on a load chart below the bold line?
Correct!
Wrong!
What is the most unstable permitted operating quadrant for a crawler crane?
Correct!
Wrong!
What inspections need to be done on cranes that have been idle for more than six months?
Correct!
Wrong!
What is the minimal design factor needed for an auxiliary hoist rope, boom, or right regular lay main?
Correct!
Wrong!
The crane’s backward stability is evaluated using:
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!
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!
When is it okay to load crane booms sideways?
Correct!
Wrong!
What percentage of the upgrade must the crane be level?
Correct!
Wrong!
Which quadrant often has larger capacity for rough terrain cranes?
Correct!
Wrong!
Which two points are appropriate for measuring the boom?
Correct!
Wrong!