單項(xiàng)選擇題

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

你可能感興趣的試題

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

單項(xiàng)選擇題

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