A.the inlet valve is open
B.the exhaust valve is open
C.both valves are close
D.both valves are open
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A.less than
B.greater than
C.equal to
D.twice larger than
A.less than
B.greater than
C.equal to
D.twice larger than
A.a working cycle
B.the operation
C.two fuel injections
D.events
A.turning cycle
B.working cycle
C.working hour
D.working stroke
A.to be kept
B.logged
C.changed
D.has remained
最新試題
The highest pressure in a diesel engine cylinder normally occurs （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
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 （）.
Diesel engine control can be obtained by the bridge （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Combustion knock occurring in a diesel engine can be caused by （）.
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?（）
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）