Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Nearly same work input as for vapour compression cycle Maximum work input Zero work input Very little work input Nearly same work input as for vapour compression cycle Maximum work input Zero work input Very little work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For unsaturated air, the dew point temperature is __________ wet bulb temperature. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The horizontal and non-uniformly spaced lines on a psychrometric chart indicates Wet bulb temperature Dry bulb temperature Dew point temperature Specific humidity Wet bulb temperature Dry bulb temperature Dew point temperature Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Bigger cabinet should be used Perfectly tight vapour seal should be used Refrigerant with lower evaporation temperature should be used Smaller cabinet should be used Bigger cabinet should be used Perfectly tight vapour seal should be used Refrigerant with lower evaporation temperature should be used Smaller cabinet should be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which 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 Water will never evaporate ANSWER DOWNLOAD EXAMIANS APP