Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Brass Copper Steel Aluminium Brass Copper Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in Room air conditioners All of these Domestic refrigerators Water coolers Room air conditioners All of these Domestic refrigerators Water coolers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -75.2°C -135.8°C -77.7°C -56.6°C -75.2°C -135.8°C -77.7°C -56.6°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator. None of these Equalize Reduce Increase None of these Equalize Reduce Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The air cooling system mostly used in transport type aircrafts is All of the listed here Simple evaporative air cooling system Simple air cooling system Bootstrap air cooling system All of the listed here Simple evaporative air cooling system Simple air cooling system Bootstrap air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the working substance receives heat, T₂ = Temperature of cooling water, and T₃ = Evaporator temperature) [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] ANSWER DOWNLOAD EXAMIANS APP