Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant CO2 Freon-22 Air Freon-11 CO2 Freon-22 Air Freon-11 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by All of these Sulphur sticks Halide torch Soap and water All of these Sulphur sticks Halide torch Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 15 bar 2 bar 30 bar 8 bar 15 bar 2 bar 30 bar 8 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 50 to 70°C None of these 70 to 110°C 20 to 50°C 50 to 70°C None of these 70 to 110°C 20 to 50°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and R-12 Lithium bromide Sulphur dioxide Carbon dioxide R-12 Lithium bromide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 100% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 100% RH 25°C DBT and 40% RH ANSWER DOWNLOAD EXAMIANS APP
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