A.check oil level in bearing sump
B.check them for leakagec through end seals
C.pump bilges in time
D.check temperature
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A.the after one is more than forward one
B.the forward one is more than after one
C.the forward one is the same with after one
D.it depends on the type of engine
A.the ventilation pipe
B.the water line for fire fighting on the deck
C.the fuel oil line
D.the water supplying line in bath room
A.the steering gear room
B.the fire fighting pipe line
C.the fuel oil tank
D.the bath room
A.change from diesel oil to heavy fuel oil for mail engine
B.pump out bilge water
C.change sea chest form lower level one to high level one
D.test emergency generator
A.a variable-speed AC generator
B.a fixed-speed AC generator
C.an air blower
D.a DC generator
最新試題
The main purpose of port State control is not to（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The shipboard oil pollution emergency plan will be invalid after （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
To proceed to the assistance of a ship in distress is（）
The cetane rating of diesel fuel is an indication of the （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Using a file without a handle may result in （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.