Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Involves no change in volume Takes place at constant temperature Takes place at constant pressure Takes place at constant entropy Involves no change in volume Takes place at constant temperature Takes place at constant pressure Takes place at constant entropy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Toxic and non-inflammable Non-toxic Non-inflammable Highly toxic and inflammable Toxic and non-inflammable Non-toxic Non-inflammable Highly toxic and inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Wet bulb depression Dry bulb depression Degree of saturation Dew point depression Wet bulb depression Dry bulb depression Degree of saturation Dew point depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a saturated air-water vapour mixture, the Dry bulb temperature is higher than dew point temperature Dew point temperature is lower than wet bulb temperature Dry bulb temperature is higher than wet bulb temperature Dry bulb, wet bulb and dew point temperature are same Dry bulb temperature is higher than dew point temperature Dew point temperature is lower than wet bulb temperature Dry bulb temperature is higher than wet bulb temperature Dry bulb, wet bulb and dew point temperature are same ANSWER DOWNLOAD EXAMIANS APP