Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Dew point temperature of air Ambient air temperature Dry bulb temperature of air Wet bulb temperature of air Dew point temperature of air Ambient air temperature Dry bulb temperature of air Wet bulb temperature of air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Brayton cycle Rankine’s cycle Reversed Carnot cycle Carnot cycle Brayton cycle Rankine’s cycle Reversed Carnot cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 8 bar 2 bar 15 bar 30 bar 8 bar 2 bar 15 bar 30 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High critical temperature All of these Low boiling point High latent heat of vaporisation High critical temperature All of these Low boiling point High latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is High boiling point Non-explosive Non-toxic Non-flammable High boiling point Non-explosive Non-toxic Non-flammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) 1/ B.P.F. 1 + B.P.F. P.F. - 1 1 - B. P.F. 1/ B.P.F. 1 + B.P.F. P.F. - 1 1 - B. P.F. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS