Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon is detected by Halide torch All of these Sulphur sticks Soap and water Halide torch All of these Sulphur sticks Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-22 R-11 Ammonia R-12 R-22 R-11 Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 30 bar 8 bar 15 bar 2 bar 30 bar 8 bar 15 bar 2 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be Superheated vapour refrigerant None of these A mixture of liquid and vapour refrigerant Dry saturated liquid refrigerant Superheated vapour refrigerant None of these A mixture of liquid and vapour refrigerant Dry saturated liquid refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Discharge pressure Critical pressure Suction pressure Back pressure Discharge pressure Critical pressure Suction pressure Back pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 43834 4 43833 3 43834 4 43833 3 ANSWER DOWNLOAD EXAMIANS APP
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