Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Sulphur sticks All of these Soap and water Halide torch Sulphur sticks All of these Soap and water Halide torch ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 1: 9 1: 1 9: 1 1: 3 1: 9 1: 1 9: 1 1: 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator used in household refrigerators is None of these Frosting evaporator Defrosting evaporator Non-frosting evaporator None of these Frosting evaporator Defrosting evaporator Non-frosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Is immaterial Can be avoided by proper design Increases heat transfer rate Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design Increases heat transfer rate Results in loss of heat due to poor heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Air refrigeration cycle Vapour absorption cycle None of the listed here Vapour compression cycle Air refrigeration cycle Vapour absorption cycle None of the listed here Vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as None of the listed here Mean radiant temperature Effective temperature Dew point temperature None of the listed here Mean radiant temperature Effective temperature Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
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