Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 2.5 to 3 3 to 4 1.2 to 1.5 5 2.5 to 3 3 to 4 1.2 to 1.5 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then 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 Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 150 7 0.7 70 150 7 0.7 70 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of a saturated gas phase equals the __________ temperature. Wet bulb Room None of these Gas Wet bulb Room None of these Gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Forms a high boiling azeotrope Forms a low boiling azeotrope Does not alter the relative volatility of the original components Is of low volatility Forms a high boiling azeotrope Forms a low boiling azeotrope Does not alter the relative volatility of the original components Is of low volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Maintaining low critical humidity Coating the product with inert material Both A and C Maintaining high critical humidity Maintaining low critical humidity Coating the product with inert material Both A and C Maintaining high critical humidity ANSWER DOWNLOAD EXAMIANS APP
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