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單項選擇題

Which of the following will be desirable properties of refrigerant?（）
(1) non-explosive
(2) non-corrosive
(3) that it doesn’t react with lubricants

A.(1), (2) and (3)
B.(1) and (2)
C.(1) and (3)
D.(2) and (3)

你可能感興趣的試題

單項選擇題

In practice, the refrigerant flow after the evaporator is designed to ensure that the vapor leaving the evaporator is slightly （）.

A.saturated
B.super-cooled
C.wet
D.superheated

單項選擇題

The refrigerant flows through the evaporator, where it （） heat from the refrigerated space.

A.extracts
B.releases
C.gives no
D.absorbs no

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