A.reduce engine horsepower output
B.aid in silencing the exhaust noise
C.increase the mean effective pressure
D.contribute to effective cylinder scavenging
您可能感興趣的試卷
你可能感興趣的試題
A.engine overload
B.low combustion temperature
C.plugged fuel nozzle holes
D.excessive compression pressure
A.controlling the amount of fuel injected into the cylinders
B.varying the speed of the turbocharger
C.adjusting the compression ratio
D.changing the timing of the fuel injection camshaft
A.Direct linkage between the ball-head and fuel rack
B.A servomotor
C.A compensating device
D.Flyweights
A.Stationary
B.Full floating
C.Semi-floating
D.Free rolling
A.less fuel will enter the cylinder
B.lower will be cylinder compression temperatures
C.more complete will be fuel combustion
D.more rapid will be the rise in combustion pressure
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
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, （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
In using reduction gears to obtain efficient propeller speeds, （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
A diesel engine piston ring face is in direct contact with the （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.