单项选择题
The average pressure exerted on piston during each power stroke is termed（）
A.indicated horsepower
B.mean effective pressure
C.exhaust back pressure
D.compression pressure
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相关考题
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单项选择题
If all other conditions such as bore, stroke, speed, and mean effective pressures are equal, a two-stroke/cycle diesel engine will develop approximately（）
A.the same indicated horsepower as a four-stroke/cycle engine
B.twice the indicated horsepower as a four-stroke/cycle engine
C.one half indicated horsepower as a four-stroke/cycle engine
D.one power stroke for every two crankshaft revolutions -
单项选择题
In comparing engines of equal horsepower, higher exhaust gas temperatures occur in a/an（）
A.opposed-piston engine
B.double-acting engine
C.two-stroke/cycle engine
D.four-stroke/cycle engine -
单项选择题
A disadvantage of a two-stroke/cycle diesel engine is（）
A.more power strokes per revolution
B.the use of scavenge air
C.more complicated valve gear
D.higher working temperature of the piston and cylinder
