Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 620 kJ/min 21 kJ/min 420 kJ/min 210 kJ/min 620 kJ/min 21 kJ/min 420 kJ/min 210 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = ρ V l /μ NN = hl/k NN = V²/t.cp NN = μ cp/k NN = ρ V l /μ NN = hl/k NN = V²/t.cp NN = μ cp/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon is detected by Halide torch Sulphur sticks All of these Soap and water Halide torch Sulphur sticks All of these Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases, Will be lower Will remain unaffected May be higher or lower depending upon the nature of non-condensable gases Will be higher Will be lower Will remain unaffected May be higher or lower depending upon the nature of non-condensable gases Will be higher ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The air cooling system mostly used in transport type aircrafts is Simple evaporative air cooling system Bootstrap air cooling system Simple air cooling system All of the listed here Simple evaporative air cooling system Bootstrap air cooling system Simple air cooling system All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Direct Absorption Indirect Compression Direct Absorption Indirect Compression ANSWER DOWNLOAD EXAMIANS APP