A.low pressure at all times
B.full pressure at all times
C.low pressure at intermittence
D.full pressure at intermittence
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A.an auxiliary reservoir
B.a controlling air bottle
C.an emergency air compressor
D.a main air compressor
A.container ships
B.bulk carriers
C.passenger ships
D.barges
A.the fuel oil
B.the lubricating oil
C.the refrigerating oil
D.the hydraulic oil
A.one salt water, one fresh water
B.one salt water, one fuel
C.one fresh water, one fuel
D.one steam, one fuel
A.main engines
B.main boilers
C.pipes and fittings
D.A and B
最新試題
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
Under MARPOL Code the ship to which it applies has to carry （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Diesel engine air start system check valves are opened by （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）