Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Results in loss of heat due to poor heat transfer Is immaterial Increases heat transfer rate Can be avoided by proper design Results in loss of heat due to poor heat transfer Is immaterial Increases heat transfer rate Can be avoided by proper design 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) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 3 kW 4 kW 1 kW 2 kW 3 kW 4 kW 1 kW 2 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vapour compression refrigeration is somewhat like Carnot cycle None of these Reversed Carnot cycle Carnot cycle None of these Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Ice at 4°C Mixture of ice and water under equilibrium conditions Solid and dry ice Water at 0°C Ice at 4°C Mixture of ice and water under equilibrium conditions Solid and dry ice Water at 0°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bank of tubes at the back of domestic refrigerator is Capillary tubes Refrigerant cooling tubes Condenser tubes Evaporator tubes Capillary tubes Refrigerant cooling tubes Condenser tubes Evaporator tubes ANSWER DOWNLOAD EXAMIANS APP
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