Refrigeration and Air Conditioning A good refrigerant should have Low C.O.P. and low freezing point High operating pressures and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point High operating pressures and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The curved lines on a psychrometric chart indicates Dew point temperature Relative humidity Wet bulb temperature Dry bulb temperature Dew point temperature Relative humidity Wet bulb temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is More or less depending on ambient conditions More Same Less More or less depending on ambient conditions More Same Less ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The higher temperature in vapour compression cycle occurs at Compressor discharge Receiver Evaporator Expansion valve Compressor discharge Receiver Evaporator Expansion valve 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
Refrigeration and Air Conditioning The wet bulb depression indicates _________ humidity of the air. Specific None of these Relative Absolute Specific None of these Relative Absolute ANSWER DOWNLOAD EXAMIANS APP