Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.8 0.5 0.25 1.25 0.8 0.5 0.25 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Cost is too high Capacity control is not possible Required pressure drop cannot be achieved It is made of copper Cost is too high Capacity control is not possible Required pressure drop cannot be achieved It is made of copper ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in Absorber Evaporator None of these Condenser Absorber Evaporator None of these Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dehumidification process, on the psychrometric chart, is shown by Curved line Horizontal line Inclined line Vertical line Curved line Horizontal line Inclined line Vertical line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture in Freon refrigeration system causes Freezing automatic regulating valve Ineffective refrigeration High power consumption Corrosion of whole system Freezing automatic regulating valve Ineffective refrigeration High power consumption Corrosion of whole system ANSWER DOWNLOAD EXAMIANS APP
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