单项选择题
A.smoother pump operation B.overheating of the bearing C.reduced corrosion in the bearing D.increased pump capacity
The energy associated with molecules is known as （）.A.k...
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
“Flooding back” is a condition where the liquid refrige...
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
Thermal energy in transition is also referred to as （）....
单项选择题Thermal energy in transition is also referred to as （）.
A.heat B.power C.horsepower D.foot-pound
