Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Cost Size Durability Porosity Cost Size Durability ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high volatility Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Present in overhead stream Of high volatility Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Present in overhead stream ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.215 0.31 0.017 0.107 0.215 0.31 0.017 0.107 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn All of these Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles Comprises of thin bed of substances of extended surface having high porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Grid tray tower Bubble cap tower Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower Perforated tray tower Wetted wall tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher relative humidity Higher dew point Higher wet bulb temperature Higher absolute (specific) humidity Higher relative humidity Higher dew point Higher wet bulb temperature Higher absolute (specific) humidity ANSWER DOWNLOAD EXAMIANS APP