单项选择题
In the process of （）, liquid changes into gas.
A.evaporation
B.frosting
C.condensing
D.compressing
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相关考题
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单项选择题
If the capacity of the refrigeration compressor is too large, the saturation temperature will （）.
A.rise
B.fall
C.be maintained constant
D.None of the above -
单项选择题
If the capacity of the refrigeration compressor is too small, the excess vapor will accumulate in the evaporator, causing the pressure to （）.
A.rise
B.fall
C.be maintained constant
D.None of the above is true -
单项选择题
In the refrigeration compressor the temperature of the vapor is （） by compression.
A.raised
B.risen
C.reduced
D.maintained constant
