Nccco CORRECT QUESTIONS
AND ANSWERS(LATEST UPDATE
It could swing out away from the crane - ANSWER What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection?Swing - ANSWER What Standard Method hand signal is being illustrated?Anyone - ANSWER Who should an operator respond to a "stop" signal from?The fron - ANSWER Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise?The distance from the center of rotation of the crane to the center of gravity of the load - ANSWER What is the definition of "operating radius?" They are based on the stability of the crane - ANSWER What applies to the capacities below the bold line shown on a load chart?Over the front - ANSWER In which quadrant are rough terrain crane capacities generally greater? 1 / 2
Only with freely suspended loads - ANSWER When is side loading of crane booms permitted?He/she intends to go ahead - ANSWER What is indicated if an operator makes two audible signals when moving a crane?Never - ANSWER When may blocking (cribbing) be placed under outrigger beams?Makes the crane more stable - ANSWER What is the result of placing timber blocking under the tips of the tracks on a crawler crane?100% - ANSWER According to ASME, what percentage of the manufacturer's crane rating must not be exceeded if a load test is done on a repaired crane?It depends if the idler or sprocket are in line or offset from the track rollers - ANSWER Where is the tipping axis of a crawler crane located?Not be lifted by crane - ANSWER What should be done with materials placed under overhead energized power lines?Retract boom - ANSWER What standard method hand signal is being illustrated?At least as far back as the depth of the wall below ground - ANSWER Where should the crane's outrigger pads or tracks be placed when working at ground floor level near a cellar wall?
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