A.distribution boards
B.section boards
C.emergency switch boards
D.main switch boards
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A.ultra much space
B.universal medium system
C.unit machined space
D.unattended machinery space
A.the engine crankcase
B.the engine scavenge boxes
C.drain tanks
D.fuel tanks
A.regulate the fuel supply
B.maintain a constant fuel viscosity at the fuel valves
C.maintain efficient cooling
D.alter the fuel density
A.pressure
B.temperature
C.volume
D.specific gravity
A."vacuum"
B."the excess of pressure above atmosphere"
C."figure on a gauge"
D.Any of the above
最新試題
To proceed to the assistance of a ship in distress is（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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
The treatment of the fuel oils involves storage, heating, filtering and（）
Cold weather starting of a diesel engine may be made easier by（）
The shipboard oil pollution emergency plan will be invalid after （）
Which of the following items don’t belong to dock repair works?（）
Under MARPOL Code the ship to which it applies has to carry （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）