单项选择题
A.Condenser and thermal expansion valve B.King and solenoid valves C.Compressor and thermal expansion valve D.Condenser and solenoid valve
Which of the following best describes “overcharge of re...
单项选择题Which of the following best describes “overcharge of refrigerant”?（）
A.Too much refrigerant B.Too little refrigerant C.Refrigerant is ran out D.Running is over
The presence of air in the condenser of a refrigeration...
单项选择题The presence of air in the condenser of a refrigeration system will （） the condensing pressure.
A.increase B.reduce C.maintain constant D.None of the above is true
Which of the following may cause that excessively warm ...
Which of the following may cause that excessively warm water leaves the condenser in a refrigeration plant? （） (1) too little cooling water (2) too much cooling water (3) too warm cooler water
A.（1）only B.anyof（1），（2）and（3） C.anyof（1）and（3） D.anyof（1）and（2）
