Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 3.33 1.33 2.33 4.33 3.33 1.33 2.33 4.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Less More or less depending on ambient conditions More Same Less More or less depending on ambient conditions More Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Temperature, pressure and enthalpy Temperature, pressure, specific volume and enthalpy Temperature and enthalpy Specific volume and enthalpy Temperature, pressure and enthalpy Temperature, pressure, specific volume and enthalpy Temperature and enthalpy Specific volume and enthalpy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Higher critical temperature Tow specific heat of liquid High boiling point High latent heat of vaporisation Higher critical temperature Tow specific heat of liquid High boiling point High latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 + C.O.P 1 + (1/C.O.P) 1 - C.O.P. 1 - (1/C.O.P) 1 + C.O.P 1 + (1/C.O.P) 1 - C.O.P. 1 - (1/C.O.P) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In mechanical refrigeration system, the refrigerant has the maximum temperature Between compressor and condenser In evaporator Before expansion valve Between condenser and evaporator Between compressor and condenser In evaporator Before expansion valve Between condenser and evaporator ANSWER DOWNLOAD EXAMIANS APP
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