单选题Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）AThermal expansion valve frozen openBSuction gas heat exchanger bypassedCCondenser clogged or fouledDHigh pressure cutout switch inoperative
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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