Refrigeration and Air Conditioning The horizontal and non-uniformly spaced lines on a psychrometric chart indicates Specific humidity Dew point temperature Dry bulb temperature Wet bulb temperature Specific humidity Dew point temperature Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Absorption Indirect Compression Direct Absorption Indirect Compression Direct ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Superheated vapour region Sub-cooled liquid region None of the listed here Wet vapour region Superheated vapour region Sub-cooled liquid region None of the listed here Wet vapour region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 6 5 0.2 1.2 6 5 0.2 1.2 ANSWER DOWNLOAD EXAMIANS APP
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 The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
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