單項選擇題

The pressure in an operating diesel engine cylinder continues to rise for a short period after the piston passes top dead center as a result of the （）

A.expansion of the combustion gases
B.exhaust and intake valves just closing
C.maximum compression is just being attained
D.fuel injection occurring at that point and combustion begins

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單項選擇題

If a diesel engine runs out of fuel, you can expect trouble from （）

A.overheated injection pumps
B.water condensation in the cylinders
C.fuel dilution of the lube oil
D.air in the fuel system

單項選擇題

In a flash type evaporator, the brine overboard pump is vented directly to the（）

A.saltwater heater shell
B.the condensation of the saltwater feed
C.air ejectors, eductors, or a separate vacuum pump
D.condensation of the distillate

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The pressure in an operating diesel engine cylinder continues to rise for a short period after the piston passes top dead center as a result of the （）

你可能感興趣的試題

If a diesel engine runs out of fuel, you can expect trouble from （）

In a flash type evaporator, the brine overboard pump is vented directly to the（）

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