Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Brass Aluminium Steel Copper Brass Aluminium Steel Copper 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) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₂)/(td₃ - td₁) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₂)/(td₃ - td₁) (td₂ - td₃)/(td₃ - td₁) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Bigger cabinet should be used Perfectly tight vapour seal should be used Smaller cabinet should be used Refrigerant with lower evaporation temperature should be used Bigger cabinet should be used Perfectly tight vapour seal should be used Smaller cabinet should be used Refrigerant with lower evaporation temperature should be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-11 Ammonia R-12 R-22 R-11 Ammonia R-12 R-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? All of the listed here The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb and dry bulb temperature are equal at saturation condition The wet bulb temperature is a measure of enthalpy of moist air All of the listed here The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb and dry bulb temperature are equal at saturation condition The wet bulb temperature is a measure of enthalpy of moist air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in All of these Room air conditioners Water coolers Domestic refrigerators All of these Room air conditioners Water coolers Domestic refrigerators ANSWER DOWNLOAD EXAMIANS APP
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