你可能感興趣的試題

The flash-evaporator is different with the submerged-tube evaporator in that for the former（）

A.Water is heated into vapor on heating surfaces
B.Water is vaporized by pressure difference
C.There are no heating-transfer surfaces
D.There are more heating-transfer surfaces

單項(xiàng)選擇題

Which one of the followings might not be employed to create vacuum for flash type evaporator? （）

A.high-pressure steam-driven air-ejector
B.motor-driven vacuum pump
C.water-motivated air eductor
D.centrifuge pump

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For a flash type evaporator, the seawater heater will have to maintain a enough temperature to minimize scale formation（）

你可能感興趣的試題

The flash-evaporator is different with the submerged-tube evaporator in that for the former（）

Which one of the followings might not be employed to create vacuum for flash type evaporator? （）

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