Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Suction pressure Critical pressure Back pressure Discharge pressure Suction pressure Critical pressure Back pressure Discharge pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -30°C -77.7°C -10.5°C -33.3°C -30°C -77.7°C -10.5°C -33.3°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration system, the expansion device is connected between the Compressor and condenser Receiver and evaporator Evaporator and compressor Condenser and receiver Compressor and condenser Receiver and evaporator Evaporator and compressor Condenser and receiver ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since These react with plants and cause greenhouse effect These react with oxygen and cause its depletion These react with water vapour and cause acid rain These react with ozone layer These react with plants and cause greenhouse effect These react with oxygen and cause its depletion These react with water vapour and cause acid rain These react with ozone layer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Sulphur sticks which on detection gives white smoke Using reagents Smelling Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Using reagents Smelling Halide torch which on detection produces greenish flame lighting ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-22 R-11 Ammonia R-12 R-22 R-11 Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
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