A.the gases
B.the air
C.the valves
D.the injectors
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A.contaminating water
B.contaminated additives
C.contaminated fuel
D.contaminating impurities
A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
A.by turning the pump plunger
B.by vary the fuel valve spring force
C.by no means by controlling the governor
D.by enlarging or diminishing the injection hole
A.counterbalance the crank throws on the crankshaft
B.keep the engine running smoothly between power stroke
C.provide a belt-driving surface for the operation of auxiliary machinery
D.prevent the engine from overspeeding
A.the cross-head
B.the pumps
C.the shell
D.the load
最新試題
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Diesel engine control can be obtained by the bridge （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Routine monitoring of a diesel engine should include （）.
The function of diesel engine piston compression rings is to （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Combustion knock occurring in a diesel engine can be caused by （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.