Mass Transfer Chemisorption (chemical adsorption) is An irreversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon An irreversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. No change in theoretical Major decrease in the number of Marginal decrease in the number of None of the listed here No change in theoretical Major decrease in the number of Marginal decrease in the number of None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Mixer-settler extractor Centrifugal extractor Packed extraction tower Pulsed extractor Mixer-settler extractor Centrifugal extractor Packed extraction tower Pulsed extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Methyl alcohol-acetone None of these Butyl acetate-water Water-alcohol Methyl alcohol-acetone None of these Butyl acetate-water Water-alcohol ANSWER DOWNLOAD EXAMIANS APP
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