A.distribution boards
B.section boards
C.emergency switch boards
D.main switch boards
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A.distribution boards
B.section boards
C.emergency switch boards
D.main switch boards
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
最新試題
The treatment of the fuel oils involves storage, heating, filtering and（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
To proceed to the assistance of a ship in distress is（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
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（）
（） is not installed on the main switchboar.
Cold weather starting of a diesel engine may be made easier by（）