单项选择题
Diesel engine exhaust gas temperatures can be used to determine individual cylinder （）.
A.performance
B.horsepower output
C.fuel consumption
D.scavenge effect
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相关考题
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单项选择题
Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause （）.
A.low compression pressure
B.increased piston wear
C.increased cylinder lube oil consumption
D.poor contact between compression rings and liner -
单项选择题
In describing engine operation, what does the term “cycle” mean?（）
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 -
单项选择题
An advantage of aluminum pistons, when compared to cast iron pistons is （）.
A.greater high temperature strength
B.better heat conductivity
C.greater weight per cubic inch
D.increased resistance to wear
