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 e₁e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁ + e₂ 1/e₁ + 1/e₂ e₁e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁ + e₂ 1/e₁ + 1/e₂ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Very low Low High Same Very low Low High Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is Zero 100 50 20 Zero 100 50 20 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Absorber Condenser, absorber and separator (rectifier) Evaporator Condenser Absorber Condenser, absorber and separator (rectifier) Evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is applicable for registration at Saturation point of liquid Triple point Sublimation temperature Saturation point of vapour Saturation point of liquid Triple point Sublimation temperature Saturation point of vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called None of the listed here Super-cooling Normal cooling Sub-cooling or under-cooling None of the listed here Super-cooling Normal cooling Sub-cooling or under-cooling ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS