A.ignition ratio
B.power ratio
C.compression ratio
D.injection ratio
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A.nip
B.nap
C.gap
D.lip
A.less than
B.lighter than
C.larger than
D.smaller than
A.less than
B.lighter than
C.larger than
D.smaller than
A.smoky
B.a little bit dense
C.visible
D.almost invisible
A.the pressure of the starting air is high enough
B.there is enough air in the air reservoirs
C.the air is supplied into the cylinders in the appropriate sequence
D.all of the above
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Combustion knock occurring in a diesel engine can be caused by （）.
To determine if the lube oil filter elements need changing, （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.