單項(xiàng)選擇題When viewed from above，the best position for the guy in relation to the boom is（）.

A.At a 45° angle
B.At right angles
C.4 feet aft of the heel of the boom
D.Parallel to the boom


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1.單項(xiàng)選擇題When using slings，cargo handlers should take all the following precautions except（）.

A.Ensure that slings are securely fastened around the load
B.Avoid careless winch operations，especially when handling fragile cargo
C.Exercise care when using hooks，crowbars，and similar tools
D.Keep the loads as close to the rail or deck as possible

2.單項(xiàng)選擇題When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.

A.Arch the back to add strength to the muscles
B.Bend his knees and lift with his legs
C.Bend his back and stoop
D.Bend his back and stoop with arms straight

3.單項(xiàng)選擇題When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.

A.Should not exceed
B.Must be up to
C.Should exceed
D.Should be about

4.單項(xiàng)選擇題When discharging an oil cargo，the first consideration is to（）.

A.get the bow up
B.discharge from the wings first
C.discharge from the centerline tanks first
D.discharge from amidships first

5.單項(xiàng)選擇題What is/are the advantage（s）of cranes over conventional cargo booms（）.

A.Cranes are able to pick up and drop loads over a greater spotting area
B.Increased safety because the deck is clear of running and standing rigging
C.Simplicity of operation of the crane by its operator
D.All of the above