A.a clogged scale trap
B.air in the system
C.automatic controls not functioning properly
D.insufficient cooling water to the condenser
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A.separating chamber
B.system of baffles
C.purge valve
D.vacuum reducing valve
A.saltwater side of the condenser
B.refrigerant side of the condenser
C.in the evaporator coils
D.in the suction strainer
A.cutout
B.pressure controller
C.controller switch
D.cutout switch
A.remove any air that may accumulate in the system
B.take out unpleasant fumes from the refrigerant
C.vent off excess refrigerant in an emergency
D.permit opening the refrigerating system for cleaning and inspecting
A.to increase the system efficiency by sensible heat transfer
B.to stop the liquid from flashing
C.to reduce the load on the compressor
D.to remove latent heat of vaporization and the suction piping transfer
最新試題
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（） is not installed on the main switchboar.
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