Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Small displacements and low condensing pressures Large displacements and high condensing pressures Large displacements and low condensing pressures Small displacements and high condensing pressures Small displacements and low condensing pressures Large displacements and high condensing pressures Large displacements and low condensing pressures Small displacements and high condensing pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-11 Ammonia R-22 R-12 R-11 Ammonia R-22 R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Toxic and non-inflammable Non-inflammable Non-toxic Highly toxic and inflammable Toxic and non-inflammable Non-inflammable Non-toxic Highly toxic and inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The curved lines on a psychrometric chart indicates Wet bulb temperature Relative humidity Dry bulb temperature Dew point temperature Wet bulb temperature Relative humidity Dry bulb temperature Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be Zero As low as possible (3 to 11°C) Any value High, of the order of 25° Zero As low as possible (3 to 11°C) Any value High, of the order of 25° ANSWER DOWNLOAD EXAMIANS APP