单项选择题

Air in the fuel lines to the fuel injection nozzles of a diesel engine will cause the engine to （）

A.burn excessive amounts of lube oil
B.overheat without smoking
C.operate with reduce power or stop
D.run away without load

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单项选择题

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

单项选择题

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

单项选择题

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