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单选题
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
A
Thermal expansion valve frozen open
B
Suction gas heat exchanger bypassed
C
Condenser clogged or fouled
D
High pressure cutout switch inoperative
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单选题Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）A
Thermal expansion valve frozen openB
Suction gas heat exchanger bypassedC
Condenser clogged or fouledD
High pressure cutout switch inoperative
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Moisture separatorB
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