Exam (elaborations)
3A Hoisting License Questions and Answers 100% Solved
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Exam of 2 pages for the course mass hoisting at mass hoisting (3A Hoisting License)
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3A Hoisting LicenseWhat devices protect electric motors from too much current? - answer Fuses
When an emergency stop signal is given by anyone, it must be obeyed. - answer True
What air pressure is necessary for rated performance on air winched - answer 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 - answer True
Air winched should be used for lifting, supporting or transporting people - answer False
All hooks should have this to retain slings & lifting attachments - answer 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? - answerThe motor is wired incorrectly
The hoist limit switch operation shall be checked when? - answerEach shift
Fracture of parts occurs more often during the warm summer months - answerFalse
What shall be attached to all load Hoisting equipment in clear view of the operator? -
answerThe manufacturers load rating plate of load charts
How is wire rope fastened to a drum? - answerBy wedges; U-bolts; clips & clamps
Attachments can be welded to the hook if a small welding rod is used - answerFalse
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 - answerTrue
When the rope is attached to a hook; ring or pulley block, what shall be placed in the
loop or eye? - answerA thimble
Chain slings are allowed to be used in hoisting operations as long as they are in
accordance with what 1926 Rules? - answerOSHA
The minimum drum diameter should be how many times the rope diameter? - answer18
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