A.A relief valve
B.An alarm
C.A pressure gauge
D.A non-maim valve
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A.A top tank
B.A head tank
C.A head valve
D.A drain tank
A.Piston
B.Sounding
C.Regulating
D.Connecting
A.A piston
B.A fuel injection pump
C.A feed water pump
D.A lube oil pump
A.The higher；the more
B.Higher；more
C.Higher；little
D.The higher；the less
A.At the beginning of the compression stroke
B.At the beginning of the suction stroke
C.At the end of the working stroke
D.At the end of the exhaust stroke
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Combustion knock occurring in a diesel engine can be caused by （）.
In using reduction gears to obtain efficient propeller speeds, （）.
White smoke exhausting from an operating diesel engine may indicate （）.
In a simple mechanical governor, the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
The function of diesel engine piston compression rings is to （）.