單項選擇題

Turbulence is created in the cylinders of a diesel engine to （）

A.obtain injection lag
B.help mix fuel and air
C.increase combustion pressure
D.utilize higher injection pressures

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單項選擇題

The ratio of the brake horsepower to the indicate of a diesel engine is its （）

A.thermal efficiency
B.mechanical efficiency
C.brake thermal efficiency
D.volumetric efficiency

單項選擇題

In order to keep excess oil from the intake ports in two-stroke/cycle diesel engines, （）

A.wide compression rings are used
B.oil rings are located above the piston
C.chromium plating is used on all piston rings
D.oil rings are located near the bottom of the piston skirt

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Turbulence is created in the cylinders of a diesel engine to （）

你可能感興趣的試題

The ratio of the brake horsepower to the indicate of a diesel engine is its （）

In order to keep excess oil from the intake ports in two-stroke/cycle diesel engines, （）