A.ignition ratio
B.power ratio
C.compression ratio
D.injection ratio
您可能感興趣的試卷
你可能感興趣的試題
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
To determine if the lube oil filter elements need changing, （）.
A diesel engine piston ring face is in direct contact with the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Diesel engine control can be obtained by the bridge （）.
The main purpose of the piston oil scraper rings is to （）.
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?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Proper filtering and straining of fuel oil is important because the （）.