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. Bubble cap Perforated tray Wetted wall Packed Bubble cap Perforated tray Wetted wall Packed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Only small amount of evaporation of water produces large cooling effects because of its None of these Low viscosity Small latent heat Large latent heat None of these Low viscosity Small latent heat Large latent heat ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Heating only Humidification only Both heating and humidification Evaporative cooling Heating only Humidification only Both heating and humidification Evaporative cooling ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two or more components of a liquid solution can not be achieved by Fractional crystallisation Evaporation Absorption Liquid extraction Fractional crystallisation Evaporation Absorption Liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Operating Total Maximum permissible Minimum Operating Total Maximum permissible Minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Rotary dryer Mechanical draft cooling tower Rotating disc contactor Multiple effect evaporator Rotary dryer Mechanical draft cooling tower Rotating disc contactor Multiple effect evaporator ANSWER DOWNLOAD EXAMIANS APP
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