Refrigeration and Air Conditioning The refrigerant for a refrigerator should have Low latent heat High total heat High latent heat High sensible heat Low latent heat High total heat High latent heat High sensible heat ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture in Freon refrigeration system causes Corrosion of whole system Freezing automatic regulating valve High power consumption Ineffective refrigeration Corrosion of whole system Freezing automatic regulating valve High power consumption Ineffective refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Increase cooling effect Reduce compressor discharge temperature Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Increase cooling effect Reduce compressor discharge temperature Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = V²/t.cp NN = μ cp/k NN = ρ V l /μ NN = hl/k NN = V²/t.cp NN = μ cp/k NN = ρ V l /μ NN = hl/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at High pressure side close to receiver Delivery of compressor Low pressure side near receiver Suction of compressor High pressure side close to receiver Delivery of compressor Low pressure side near receiver Suction of compressor ANSWER DOWNLOAD EXAMIANS APP
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