单项选择题
The energy associated with molecules is known as （）.
A.kinetic energy
B.potential energy
C.mechanical energy
D.thermal energy
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相关考题
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单项选择题
“Flooding back” is a condition where the liquid refrigerant （）.
A.vaporizes in the condenser
B.reaches the compressor through the suction line
C.flashes in the liquid line
D.condenses in the receiver -
单项选择题
Thermal energy in transition is also referred to as （）.
A.heat
B.power
C.horsepower
D.foot-pound -
单项选择题
Noise in a refrigeration compressor can be caused by （）.
A.worn bearings and piston pins
B.slugging due to flooding back
C.too much oil in circulation
D.All of the above
