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
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
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 （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
Diesel engine air start system check valves are opened by （）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The main purpose of port State control is not to（）