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 1 to 2 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 2 to 5 h.p. per ton of refrigeration 1 to 2 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Compression of the refrigerant vapour Condensation of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid Compression of the refrigerant vapour Condensation of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P.)R + 1 O.P.)R + 2 O.P.)P = ( ( O.P)P = ( O.P)R O.P.)P = ( ( ( ( O.P)P = ( O.P)R - 1 O.P.)R + 1 O.P.)R + 2 O.P.)P = ( ( O.P)P = ( O.P)R O.P.)P = ( ( ( ( O.P)P = ( O.P)R - 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The central air conditioning system has ___________ overall efficiency as compared to individual systems. Lower None of these Same Higher Lower None of these Same Higher ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Temperature and enthalpy Temperature, pressure and enthalpy Specific volume and enthalpy Temperature, pressure, specific volume and enthalpy Temperature and enthalpy Temperature, pressure and enthalpy Specific volume and enthalpy Temperature, pressure, specific volume and enthalpy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a psychrometric chart, specific humidity (moisture content) lines are Curved lines Horizontal and non-uniformly spaced Horizontal and uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and non-uniformly spaced Horizontal and uniformly spaced Vertical and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
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