A.performance
B.horsepower output
C.fuel consumption
D.scavenge effect
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A.low compression pressure
B.increased piston wear
C.increased cylinder lube oil consumption
D.poor contact between compression rings and liner
A.The sequence of events that produce a power pulse
B.One rotation of the engine crankshaft
C.One stroke of a piston
D.All of the above
A.greater high temperature strength
B.better heat conductivity
C.greater weight per cubic inch
D.increased resistance to wear
A.Atomization
B.Metering
C.Effective stroke
D.Penetration
A.fine atomization
B.high temperature
C.good mixing of fuel and air
D.all of the above
最新試題
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
The function of diesel engine piston compression rings is to （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
An automated diesel engine should normally shut down due to （）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
In using reduction gears to obtain efficient propeller speeds, （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.