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