Refrigeration and Air Conditioning The unit of thermal diffusivity is m²/h m/hK m/h m²/hK m²/h m/hK m/h m²/hK ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant increases depends on other factors decreases remains same increases depends on other factors decreases remains same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.5 0.25 0.1 0.75 0.5 0.25 0.1 0.75 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)R O.P)R - 1 O.P.)R + 1 ( O.P)P = ( O.P.)R + 2 ( ( ( O.P.)P = ( O.P.)P = ( O.P)P = ( O.P)R O.P)R - 1 O.P.)R + 1 ( O.P)P = ( O.P.)R + 2 ( ( ( O.P.)P = ( O.P.)P = ( O.P)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will never evaporate A gas will never liquefy A gas will immediately liquefy Water will evaporate Water will never evaporate A gas will never liquefy A gas will immediately liquefy Water will evaporate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Using reagents Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Smelling Using reagents Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Smelling ANSWER DOWNLOAD EXAMIANS APP
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