Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Corrosion of steel plates Freezing at the expansion valve Restriction to refrigerant flow All of these Corrosion of steel plates Freezing at the expansion valve Restriction to refrigerant flow All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The air cooling system mostly used in transport type aircrafts is Simple air cooling system All of the listed here Simple evaporative air cooling system Bootstrap air cooling system Simple air cooling system All of the listed here Simple evaporative air cooling system Bootstrap air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant Freon-11 Ammonia Freon-22 CO2 Freon-11 Ammonia Freon-22 CO2 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) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. Lower Higher None of these Same Lower Higher None of these Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Suction pressure Back pressure Critical pressure Discharge pressure Suction pressure Back pressure Critical pressure Discharge pressure ANSWER DOWNLOAD EXAMIANS APP
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