Mass Transfer Which of these columns incurs the lowest pressure drop? Pulse column Packed column (with dumped packing) Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) Packed column (with stacked packing) Bubble plate column 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. Perforated tray Wetted wall Bubble cap Packed Perforated tray Wetted wall Bubble cap Packed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Rate of diffusion of the solute through the solid and into the liquid Both A & B Vapour pressure of the solution Time of contact between the solid and the solution Rate of diffusion of the solute through the solid and into the liquid Both A & B Vapour pressure of the solution Time of contact between the solid and the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Partial pressure of water vapor None of these Relative humidity Wet bulb temperature Partial pressure of water vapor None of these Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Pressure rises Temperature falls Pressure falls Temperature rises Pressure rises Temperature falls Pressure falls Temperature rises 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 wet bulb temperature Higher absolute (specific) humidity Higher dew point Higher relative humidity Higher wet bulb temperature Higher absolute (specific) humidity Higher dew point Higher relative humidity ANSWER DOWNLOAD EXAMIANS APP
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