3A Hoisting License Questions and Answers Already Passed
3A Hoisting License Questions and Answers Already Passed What devices protect electric motors from too much current? Fuses When an emergency stop signal is given by anyone, it must be obeyed. True What air pressure is necessary for rated performance on air winched Per manufacturers specifications To ensure the hoist brake will hold a heavy load the operator should lift the load a short distance & check the brake True Air winched should be used for lifting, supporting or transporting people False All hooks should have this to retain slings & lifting attachments Safety latch If you observe the direction of the block motion is not the same as called for by moving the controller to a "hoist" or "lower" position, what would you suspect my be the problem? The motor is wired incorrectly The hoist limit switch operation shall be checked when? Each shift Fracture of parts occurs more often during the warm summer months False What shall be attached to all load Hoisting equipment in clear view of the operator? The manufacturers load rating plate of load charts How is wire rope fastened to a drum? By wedges; U-bolts; clips & clamps Attachments can be welded to the hook if a small welding rod is used False If you are issued a Class 3A License you may operate all electric & air powered hoisting equipment except those, which may also require 1A License True When the rope is attached to a hook; ring or pulley block, what shall be placed in the loop or eye? A thimble Chain slings are allowed to be used in hoisting operations as long as they are in accordance with what 1926 Rules? OSHA The minimum drum diameter should be how many times the rope diameter? 18 In testing the hoist limit switch you? Slowly hoist the block to the limit switch just below the drum The safe working load of a hook is not reduced if the load is applied anywhere between the saddle & the tip of the hook False What are the minimum & maximum fleet angles? 1/4 to 2 degrees There is no safety hazard in lowering the block below
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3a hoisting license questions and answers already
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