Refrigeration and Air Conditioning The wet bulb temperature during sensible cooling of air Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 1.2 5 6 0.2 1.2 5 6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Allowable pressure on high pressure side or ammonia absorption system is of the order of 56 bars 24 bars Slightly above atmospheric pressure Atmospheric pressure 56 bars 24 bars Slightly above atmospheric pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An infinite parallel planes with emissivities e₁ and e₂, the interchange factor for radiation from surface 1 to surface 2 is given by 1/e₁ + 1/e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁e₂ e₁ + e₂ 1/e₁ + 1/e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁e₂ e₁ + e₂ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 1 minute In 12 hours In 1 hour In 24 hours In 1 minute In 12 hours In 1 hour In 24 hours ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. None of these Flooded Dry DX coil None of these Flooded Dry DX coil ANSWER DOWNLOAD EXAMIANS APP