A.an oil seal
B.removing heat
C.a gas seal
D.cooling the piston
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A.ignition ratio
B.power ratio
C.compression ratio
D.injection ratio
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
最新試題
The function of diesel engine piston compression rings is to （）.
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 （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
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?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
To determine if the lube oil filter elements need changing, （）.
An automated diesel engine should normally shut down due to （）
Diesel engine control can be obtained by the bridge （）.