單項選擇題Upon arrival at a port, a vessel is not allowed () her ballast water, tanker washings or bilge water and other oily water at will.

A.to discharge
B.to be discharged
C.discharging
D.being discharged


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1.單項選擇題We prefer all the spare parts () on board before departure.

A.to send
B.to be sent
C.for being sent
D.being to send

2.單項選擇題It is well known that the whole power distribution of the ship’s electrical services mainly depend on the().

A.sub-boards
B.main switchboards
C.emergency switchboards
D.distribution boards

3.單項選擇題How do you treat someone suffering from electrical shock after you secure the source?()

A.check for respiration
B.check for pulse
C.treat for shock
D.All of the above

4.單項選擇題Tools with ()handles should be used to check electric circuit.

A.plastic
B.metal
C.stainless steel
D.copper

5.單項選擇題Before doing maintenance on electrical equipment, you should ().

A.turn off power first
B.turn on power first
C.with a test pen in hand
D.tell C/E