單項(xiàng)選擇題Which method should be used to warm up the pump turbines prior to discharge（）.

A.Lock the turbine rotor and slowly bleed in steam until operating temperature is reached
B.Run the pump at high speed with the discharge valves closed
C.Run the turbine at slow speed with the pump disconnected
D.Shut the discharge valve and run the pump at slow speed


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1.單項(xiàng)選擇題Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.

A.The loading dock
B.The midpoint of the barge
C.Within 25 feet of the pump engine
D.Above the forward rake end

2.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

3.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

4.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

5.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