A.5%
B.8%
C.6%
D.3%
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A.the International Convention for the Safety of the Life at Sea
B.the International Convention for the Prevention from ships
C.the International Convention on Standards of Training, Certification and Watch keeping for Seafarers
D.the International Convention for the Control and Management of Ship’s Ballast Water and Sediments
A.SOLAS
B.MARPOL
C.STCW
D.Ballast Water convention
A.SOLAS
B.MARPOL
C.STCW
D.Ballast Water convention
A.the port state
B.the shipping company
C.the coastal state
D.the flag state
A.the flag state
B.the coastal state
C.the port state
D.the shipping company
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（） is not installed on the main switchboar.
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Flame failure in an automatically fired auxiliary boiler can from a/an （）
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If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Cold weather starting of a diesel engine may be made easier by（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）