Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Carbon dioxide Lithium bromide R-12 Sulphur dioxide Carbon dioxide Lithium bromide R-12 Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration cycle is used in Domestic refrigerators Gas liquefaction Air conditioning Commercial refrigerators Domestic refrigerators Gas liquefaction Air conditioning Commercial refrigerators ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will evaporate A gas will immediately liquefy A gas will never liquefy Water will never evaporate Water will evaporate A gas will immediately liquefy A gas will never liquefy Water will never evaporate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by All of these Soap and water Sulphur sticks Halide torch All of these Soap and water Sulphur sticks Halide torch ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A one tonne refrigerating machine means that One tonne refrigerant is used One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne of water can be converted into ice One tonne is the total mass of machine One tonne refrigerant is used One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne of water can be converted into ice One tonne is the total mass of machine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Not dependent on season Lower in winter than in summer Same in winter and summer Higher in winter than in summer Not dependent on season Lower in winter than in summer Same in winter and summer Higher in winter than in summer ANSWER DOWNLOAD EXAMIANS APP
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