單項(xiàng)選擇題

With reference to a vessel’s structural integrity, the most significant characteristic of a cryogenic liquid is its （）.

A.capability of causing brittle fractures
B.highly corrosive action on mild steel
C.vapor cloud which reacts violently with saltwater
D.toxicity at atmospheric pressure

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單項(xiàng)選擇題

The only means of removing the latent heat of condensation from a refrigerant in the normal refrigeration cycle is by （）.

A.passing it through the expansion valve
B.condensing refrigerant in the system condenser
C.passing the gaseous refrigerant through the heat interchanger on the suction side of the compressor
D.maintaining a high pressure on the systems receiver

單項(xiàng)選擇題

In a refrigeration system, the refrigerant absorbs the latent heat of vaporization in the（）.

A.compressor
B.condenser
C.receiver
D.evaporator

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With reference to a vessel’s structural integrity, the most significant characteristic of a cryogenic liquid is its （）.

你可能感興趣的試題

The only means of removing the latent heat of condensation from a refrigerant in the normal refrigeration cycle is by （）.

In a refrigeration system, the refrigerant absorbs the latent heat of vaporization in the（）.