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 coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by ( O.P)P = ( O.P)R O.P.)P = ( O.P)R - 1 O.P)P = ( O.P.)R + 1 ( ( O.P.)P = ( ( O.P.)R + 2 ( O.P)P = ( O.P)R O.P.)P = ( O.P)R - 1 O.P)P = ( O.P.)R + 1 ( ( O.P.)P = ( ( O.P.)R + 2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle None of these Does not alter C.O.P. Increases C.O.P. Decreases C.O.P. None of these Does not alter C.O.P. Increases C.O.P. Decreases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigeration system Gives noisy operation Gives quiet operation Cools below 0°C Requires little power consumption Gives noisy operation Gives quiet operation Cools below 0°C Requires little power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It leads to significant cost reduction It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It considerably reduces mass of the system It leads to significant cost reduction ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pressure of water vapour is given by 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 μ/[1 - (1 - μ) (Ps/Pb)] ANSWER DOWNLOAD EXAMIANS APP
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