單項(xiàng)選擇題

Heat for igniting the fuel oil in the cylinder of a diesel engine is generated by the （）

A.electronic ignition system
B.compression of air by the piston
C.friction in the fuel injector
D.fuel oil bearing system

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單項(xiàng)選擇題

Diesel engine crankshaft deflection readings are generally taken at four crank positionsGood engineering practice requires the deflection gage or indicator to be（）

A.placed as near the crankpin axis as possible
B.removed each time the crankshaft is repositioned
C.left in place for all four readings
D.reset to zero for all four readings

單項(xiàng)選擇題

Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will（）

A.increase engine power
B.increase engine load
C.decrease engine power
D.improve fuel economy

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Heat for igniting the fuel oil in the cylinder of a diesel engine is generated by the （）

你可能感興趣的試題

Diesel engine crankshaft deflection readings are generally taken at four crank positionsGood engineering practice requires the deflection gage or indicator to be（）

Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will（）