Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Increases C.O.P O.P remains unaltered Other factors decide C.O.P Decreases C.O.P Increases C.O.P O.P remains unaltered Other factors decide C.O.P Decreases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 5 0.2 1.2 6 5 0.2 1.2 6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that It permits complete evaporation in the evaporator It permits higher speeds to be used All of these It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator It permits higher speeds to be used All of these It results in high volumetric and mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration system, the expansion device is connected between the Receiver and evaporator Compressor and condenser Evaporator and compressor Condenser and receiver Receiver and evaporator Compressor and condenser Evaporator and compressor Condenser and receiver ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Mixture of ice and water under equilibrium conditions Ice at 4°C Solid and dry ice Water at 0°C Mixture of ice and water under equilibrium conditions Ice at 4°C Solid and dry ice Water at 0°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₂)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₂)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) ANSWER DOWNLOAD EXAMIANS APP