A.less than
B.lighter than
C.larger than
D.smaller than
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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
A.the start fails
B.the fuel pumps will be put into operation
C.the fuel valves are damaged
D.the combustion process will take over
A.crack
B.knocking
C.leaking
D.seizure
最新試題
The highest pressure in a diesel engine cylinder normally occurs （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
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?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
White smoke exhausting from an operating diesel engine may indicate （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Maximum horsepower of a diesel engine is attained （）.