單項(xiàng)選擇題

What is the operating principal of a flash type evaporator?（）

A.Sea water is heated to boiling temperature under a vacuum
B.Sea water is passed over heated plates in a thin film
C.Heated sea water is injected into a vacuum chamber
D.Sea water is forced through a heated eductor

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單項(xiàng)選擇題

What is the effect of heated intake air on a diesel engine? （）

A.Increases efficiency
B.Increases engine horsepower
C.Increases engine life
D.Reduces engine horsepower

單項(xiàng)選擇題

What is one effect of running a diesel engine at too cool a temperature? （）

A.Buildup of sludge in the lubricating system
B.Excessive fuel consumption
C.Severe heat stresses on mechanical parts
D.Foaming of the lubricating oil

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What is the operating principal of a flash type evaporator?（）

你可能感興趣的試題

What is the effect of heated intake air on a diesel engine? （）

What is one effect of running a diesel engine at too cool a temperature? （）