A.has nearly come to the TDC
B.has just past the TDC
C.has nearly come to the BDC
D.has just past the BDC
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A.pilot air;pilot air
B.handle;solenoid
C.handle;pilot air coming through the distributor
D.solenoid;pilot air coming through the distributor
A.supplying high pressure oil into a hydraulic motor
B.supplying high temperature air into the cylinder
C.supplying high pressure air into the cylinder
D.electrical igniting
A.can be started at low temperature and are free from preheating
B.usually are preheated by steam before being started
C.are kept at a constant temperature and free from preheating
D.are kept at a low temperature to save energy
A.at the jacket cooler outlet to control the flux through the engine
B.at the jacket cooler outlet to control the flux through the cooler
C.at the engine outlet to control the flux through the engine
D.at the engine inlet to control the flux through the engine
A.an engine-driven;as well
B.an engine-driven;has an independent pump
C.an independent;as well
D.an independent;has an engine-driven pump
A.open;the minimum components
B.open;the high cooling efficiency
C.central;there are more coolers and a extra set of pumps
D.central;there is only one component contacts seawater
A.the expansion tank is lack of water
B.the expansion tank is over flowing
C.there is something wrong with the cooling system
D.there is something wrong with the engine
A.the central cooling system, different
B.the central cooling system, the same
C.the open cooling system, different
D.the open cooling system, the same
A.Bad combustion of the fuel
B.Bad atomization of the fuel
C.Liquid contaminants
D.Solid contaminants
A.the main engines
B.the auxiliary engines
C.the emergency generator engine
D.the auxiliary engines and the main engine(s)
最新试题
() is not installed on the main switchboar.
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
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
The cetane rating of diesel fuel is an indication of the ()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Under MARPOL Code the ship to which it applies has to carry ()
Cold weather starting of a diesel engine may be made easier by()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()