A.not be changed
B.be changed
C.should not be changed
D.should be changed
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A.water discharges from the indicator cocks
B.no water is leaking into crankcase
C.no water in the scavenge belt
D.the rpm is lower than the speed of Dead Slow Ahead
A.viscosity
B.pressure
C.resistance
D.setting point
A.it is dirty
B.it is leaky
C.it has been renewed
D.all the above
A.specific volume
B.density
C.viscosity
D.calorific value
A.by an fuel valve
B.through an inlet valve
C.with an exhaust valve
D.from an outlet valve
最新試題
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Routine monitoring of a diesel engine should include （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil cannot be efficiently filtered if its （）.