單項(xiàng)選擇題

What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）

A.the Matitime Code of China
B.Certificate of Inspection
C.Oil Transfer Procedures Manual
D.IOPP Certificate

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單項(xiàng)選擇題

What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.

A.Bends in the piping
B.Slowing the pumping rate
C.Pipeline valves
D.Backing rings for pipe welds

單項(xiàng)選擇題

What normally helps in detecting escaping gas? （）

A.Running hand along pipe
B.Red flame
C.Odor
D.Increase the line pressure