Mass Transfer Make up water is supplied during cooling tower operation to compensate for water losses due to Evaporation Blowdown All of these Entrainment Evaporation Blowdown All of these Entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the wet bulb Less than the wet bulb More than the wet bulb Equal to the dry bulb Equal to the wet bulb Less than the wet bulb More than the wet bulb Equal to the dry bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL/DA² √(KL².DA) KL².DA KL²/DA KL/DA² √(KL².DA) KL².DA KL²/DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. None of these Penetration Film Surface renewal None of these Penetration Film Surface renewal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around 0.72 1 0.24 0.6 0.72 1 0.24 0.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Wetted wall Packed Bubble cap Perforated tray Wetted wall Packed Bubble cap Perforated tray ANSWER DOWNLOAD EXAMIANS APP