A.land
B.skirt
C.crown
D.plate
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A.increase the governor oil pressure
B.adjust the speed droop setting
C.adjust the speeder spring travel
D.adjust the compensating needle valve
A.four-stroke
B.two-stroke
C.slow speed
D.reversible
A.defrosting
B.de-oiling
C.demulsifying
D.dehumidifying
A.overlap
B.crush
C.lap or lead
D.protrusion
A.spraying directly on the base of the fire
B.flowing the foam down a vertical surface
C.sweeping the fire before you with the foam
D.spraying directly on the surface of the fire
最新試題
The shipboard oil pollution emergency plan will be invalid after （）
The treatment of the fuel oils involves storage, heating, filtering and（）
Which of the following items don’t belong to dock repair works?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Cold weather starting of a diesel engine may be made easier by（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）