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單項(xiàng)選擇題

Stating a large propulsion diesel engine using diesel fuel during cold weather conditions can be made easier by （）

A.increasing the quantity of starting air
B.increasing the lube oil pressure
C.heating the engine fuel supply
D.heating the engine jacket water

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單項(xiàng)選擇題

Air in the fuel lines of a diesel engine can cause （）

A.ignition failure
B.oxygen corrosion of the fuel lines
C.the pistons to seize
D.blue smoke

單項(xiàng)選擇題

The condensers located in various stages of a flash evaporator are cooled by（）

A.distillate
B.seawater
C.brine
D.air

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