Rigging Test Exam with Complete Solutions increase radius will increase lifting capacity of crane? - Correct Answer F boom deflection if not compensated for will allow the load to move past the tip of the crane as it leaves the ground - Correct Answer T Boom is the angle of the boom at zero degrees vertical? - Correct Answer F anti two block device is used as a limiting device when hoisting - Correct Answer F, it's a safety the crane operator is responsible for verifying the hoist line is vertical - Correct Answer F, signal person is boom deflection must be compensated for when relieving stress - Correct Answer T the dynamic load applied to a crane is equal to the weight of the load plus the weight of the boom? - Correct Answer F dynamic unloading occurs when load is suddenly releases strain during operation? - Correct Answer T, improper rigging side loading is not a concern when lifting with a Jib? - Correct Answer F as the radius decreases the rated capacity generally increases - Correct Answer T wind is not a factor as long as as load is controlled by tag lines. - Correct Answer F wind can cause uncontrolled rotation - Correct Answer t 1 / 2
wind does not cause side load stress when tag lines are used - Correct Answer F hand signal charts must be posted either on equipment or in vicinity of operation - Correct Answer t emergency stop signal can only be given by signal person - Correct Answer f a four legged bridal carry the weight equally on all four legs - Correct Answer f some movement or shock loading when raising or lowering a load will increase the stress on the rigging hardware - Correct Answer t attachments can be welded to the load hook - Correct Answer F A signal man must be in position to see the load clearly at all tines - Correct Answer t the ground pressure under outriggers is higher than it is on a crawler track because of small bearing surface - Correct Answer t it is necessary to fully extend the outriggers and lift the tires off the ground for maximum capacity if the boom truck has four outriggers - Correct Answer t to compensate for boom drift? - Correct Answer boom down as the ball reaches its outwards apex crane functions or actions that increase the radius are? - Correct Answer extending the boom a longer boom will - Correct Answer cause boom to flex two blocking is - Correct Answer ball contacts sheefs
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