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NCCCO Overhead Crane QUESTIONS

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SOLUTIONS /

Overhead cranes with more than one hoisting unit shall have?Its rated load marked on it.How often does O.S.H.A. require a written wire rope inspection?Once a month What is the purpose of the "E" (Emergency) stop on an overhead crane?Removes power to entire crane.Most loads should be rigged to within how many degrees of level?5 According to ASME B30.2, what is the safety factor for rigging?

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According to O.S.H.A. frequent inspections shall be performed?Daily to monthly According to ASME B30.2 a frequent inspection must be performed by a?Designated person According to OSHA, the maximum twist of the hook can't exceed?10 degrees When inspecting electrical contacts, what are the signs they are bad?Pitted or burned According to ASME B30.2, what type of fire extinguisher is required for overhead cranes?10BC Before leaving an overhead crane unattended, attached loads should be?Lowered to the floor Before using your hand to steady any load, you should?Follow company policy According to OSHA, the rated capacity of all overhead cranes shall be?Clearly marked on the side of the crane When attaching spreaders to any load, you must keep in mind that?The lower the spreader angle the greater the tension By order of hitch strength, which is correct?

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• Vertical, basket, choker
• Basket, vertical, choker
• Basket, choker, vertical
• Choker, basket, vertical

Basket, vertical, choker According to OSHA, the maximum hook throat opening must not exceed?15% of its original size How many cubic feet is in a rectangular object that measures S At. X3 At. X2 ft.?30 cubic feet An object weighs 150 lbs per cubic foot and measures 4 ft. X3 A. X3 ft., what is its weight?5,400 lbs According to OSHA, how many wraps must be left on the hoist drum of an overhead crane with the hook at its lowest position?

• wraps

The upper limit switch of all overhead cranes shall be tested every?Shift Vertical movement of an overhead crane is controlled by the?Hoist controller A swinging load should be controlled by the?Bridge and trolley controller What should be the first step in a daily inspection of an overhead crane?Check the main switch What should be done with an unbalanced load?Lower load to floor When making a lift, where should the load block be positioned?Vertically over the load's center of gravity When energizing the crane, the controller should be in what position?Neutral According do ASME, warning signals shall be given when?Starting and during movement According to A.S.M.E. B30.2, an overhead crane equipped with a lower limit device can have how many wraps left on the drum at its lowest point?One According to O.S.H.A., the proper time to check the hoist brake is?During the first lift In the event of an emergency, who may give the stop signal?

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