Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Absorption Direct Indirect Compression Absorption Direct Indirect Compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called Relative humidity Degree of saturation Humidity ratio Absolute humidity Relative humidity Degree of saturation Humidity ratio Absolute humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = V²/t.cp NN = ρ V l /μ NN = μ cp/k NN = hl/k NN = V²/t.cp NN = ρ V l /μ NN = μ cp/k NN = hl/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The air cooling system mostly used in transport type aircrafts is 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 Simple evaporative air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during humidification process Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Non-toxic Non-inflammable Highly toxic and inflammable Toxic and non-inflammable Non-toxic Non-inflammable Highly toxic and inflammable Toxic and non-inflammable ANSWER DOWNLOAD EXAMIANS APP