Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 20°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 50% RH 26°C DBT and 60% RH 20°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 50% RH 26°C DBT and 60% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 1: 9 9: 1 1: 3 1: 1 1: 9 9: 1 1: 3 1: 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.5 0.25 0.8 1.25 0.5 0.25 0.8 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible heating of air _________ decreases. Relative humidity Dry bulb temperature Wet bulb temperature Specific humidity Relative humidity Dry bulb temperature Wet bulb temperature Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant pressure lines Constant entropy lines Constant temperature lines Constant total heat lines Constant pressure lines Constant entropy lines Constant temperature lines Constant total heat lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Low High Same Very low Low High Same Very low ANSWER DOWNLOAD EXAMIANS APP
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