Refrigeration and Air Conditioning A vapour absorption refrigeration system Cools below 0°C Gives noisy operation Requires little power consumption Gives quiet operation Cools below 0°C Gives noisy operation Requires little power consumption Gives quiet operation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.67 0.6 0.4 0.376 0.67 0.6 0.4 0.376 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will evaporate A gas will immediately liquefy A gas will never liquefy Water will never evaporate Water will evaporate A gas will immediately liquefy A gas will never liquefy Water will never evaporate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? Ammonia R-11 R-22 R-12 Ammonia R-11 R-22 R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pressure of water vapour is given by μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv/ (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv/ (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these 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 Normal cooling None of the listed here Super-cooling Sub-cooling or under-cooling Normal cooling None of the listed here Super-cooling Sub-cooling or under-cooling ANSWER DOWNLOAD EXAMIANS APP
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