A.Because it is difficult to plan and manage
B.Because it is cannot be well categorized
C.Because it is a difficult work for people to undergo
D.Because it is seldom researched by research
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A.inform the chief engineer whenever there are problems
B.reduce the time wasted on checking items
C.know who is responsible for the domestic cleaning equipment
D.know the chain of authority on the ship
A.send a requisition list to the supplier
B.check that whether the items ordered have been already delivered
C.make the chief engineer on sport
D.follow a preset procedure
A.make clear of your authority
B.make friends with ships crew
C.call the first engineer if there is a problem
D.call the master if there is a problem
A.Chief engineer
B.Second engineer
C.Master
A.All scuppers plugged by carpenter
B.Tanks sounded from time to time
C.Watch kept for leakage
D.Take oil samples
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（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The shipboard oil pollution emergency plan will be invalid after （）
The main purpose of port State control is not to（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）