A.regulate the fuel supply
B.maintain a constant fuel viscosity at the fuel valves
C.maintain efficient cooling
D.alter the fuel density
您可能感興趣的試卷
你可能感興趣的試題
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
A.flowmeter
B.viscometer
C.micrometer
D.feeler
A.reduce electrolytic action on heat exchanger metals
B.keep heat transfer surfaces shiny and clean
C.prevent rapid accumulation of marine growth
D.provide a protective coating on heat exchanger surfaces
A.pure resistance
B.capacitive
C.inductive
D.None of the above
最新試題
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
Diesel engine air start system check valves are opened by ()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
Cold weather starting of a diesel engine may be made easier by()
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
The treatment of the fuel oils involves storage, heating, filtering and()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()