A.18
B.16
C.22
D.20
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A.10 hours in any 24-hour period
B.72 hours in any seven-day period
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D.88 hours in any seven-day period
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A.the ship owner
B.the manager or bareboat charterer
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D.a business enterprise dealing with freight
A.A company should develop an ISM and implement it
B.A company implementing an ISM properly may obtain a DOC
C.Once a company obtains its DOC, each vessel of this company will obtain a SMC
D.DOC is valid for 60 months unless “major non-conformity” is found
A.A company should develop a SMS and implement it
B.A company implementing a SMS properly may obtain a DOC
C.Once a company obtains its DOC, each vessel of this company will obtain a SMC
D.DOC is valid for 60 months unless “major non-conformity” is found
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For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The shipboard oil pollution emergency plan will be invalid after （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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The cetane rating of diesel fuel is an indication of the （）
Diesel engine air start system check valves are opened by （）