Mass Transfer H₂S present in naphtha reformed gas is removed by absorbing with Ethanolamine K₂CO₃ HCl Vacuum gas oil Ethanolamine K₂CO₃ HCl Vacuum gas oil ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Reduce liquid hold up Avoid flooding Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding Minimise the overall pressure drop Avoid channeling ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/a Proportional to √D Dependent on the Reynolds number D/2a D/a Proportional to √D Dependent on the Reynolds number D/2a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At constant pressure, with increase of temperature, the dew point will Increase/decrease ; depends on the temperature Remain unchanged Increase Decrease Increase/decrease ; depends on the temperature Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When a multistage tray tower uses a minimum reflux ratio, it implies Minimum trays and minimum reboiler heat load Infinite trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Minimum trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Infinite trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Minimum trays and maximum reboiler heat load ANSWER DOWNLOAD EXAMIANS APP
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