Refrigeration and Air Conditioning The evaporator used in household refrigerators is Defrosting evaporator Frosting evaporator Non-frosting evaporator None of these Defrosting evaporator Frosting evaporator Non-frosting evaporator None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant CO2 Air Freon-11 Freon-22 CO2 Air Freon-11 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 NH3 CO2 Freon-12 Freon-22 NH3 CO2 Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = V²/t.cp NN = ρ V l /μ NN = hl/k NN = μ cp/k NN = V²/t.cp NN = ρ V l /μ NN = hl/k NN = μ cp/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Suction pressure Critical pressure Discharge pressure Back pressure Suction pressure Critical pressure Discharge pressure Back pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and water Water and water Water and lithium bromide Ammonia and lithium bromide Ammonia and water Water and water Water and lithium bromide Ammonia and lithium bromide ANSWER DOWNLOAD EXAMIANS APP
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