Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the Temperature of the evaporator Degree of superheat at exit from the evaporator None of these Pressure in the evaporator Temperature of the evaporator Degree of superheat at exit from the evaporator None of these Pressure in the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Direct Absorption Indirect Compression Direct Absorption Indirect Compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The air cooling system mostly used in transport type aircrafts is Bootstrap air cooling system All of the listed here Simple evaporative air cooling system Simple air cooling system Bootstrap air cooling system All of the listed here Simple evaporative air cooling system Simple air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Freon-11 Freon-22 Air CO2 Freon-11 Freon-22 Air CO2 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)/(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) (td₃ - td₁)/(td₂ - td₃) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-12 R-11 Ammonia R-22 R-12 R-11 Ammonia R-22 ANSWER DOWNLOAD EXAMIANS APP