A.station bill
B.clearance papers
C.certificate of inspection
D.permit to proceed
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A.14 percent
B.15 percent
C.16 percent
D.17 percent
A.mineral oil
B.machinery oil being transferred for shipboard use
C.crude oil unrefined
D.normal bilge oil and water
A.discharging ashore into the sewer system
B.sealing in disposable plastic barrels aboard ship
C.discharging into a shore tank or stop barge
D.dumping into the ship’s bunker tanks
A.water
B.dry chemical
C.foam
D.CO2
A.foam and water
B.CO2 and dry chemical
C.dry chemical and water
D.foam and CO2
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During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
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To proceed to the assistance of a ship in distress is（）
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Cold weather starting of a diesel engine may be made easier by（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.