Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Higher than atmospheric pressure Equal to atmospheric pressure Could be anything Lower than atmospheric pressure Higher than atmospheric pressure Equal to atmospheric pressure Could be anything Lower than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during humidification process Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant entropy Involves no change in volume Takes place at constant pressure Takes place at constant temperature Takes place at constant entropy Involves no change in volume Takes place at constant pressure Takes place at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Presence of moisture in a refrigerant affects the working of Compressor Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Low boiling point Large latent heat Good electrical conductor High risibility with oil Low boiling point Large latent heat Good electrical conductor High risibility with oil ANSWER DOWNLOAD EXAMIANS APP
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