Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? F > 1 F < 1 F = 1 0 < f < 1 F > 1 F < 1 F = 1 0 < f < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is An irreversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat A reversible phenomenon An irreversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state, The top and bottom compositions correspond to the maximum enrichment available Composition of vapors and that of liquid do not vary throughout the column Reboiler load and condenser load are minimum The top and bottom compositions are unchanged with and without total reflux The top and bottom compositions correspond to the maximum enrichment available Composition of vapors and that of liquid do not vary throughout the column Reboiler load and condenser load are minimum The top and bottom compositions are unchanged with and without total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Decrease Remain unaffected Decrease or increase ; depends on the type of liquid Increase Decrease Remain unaffected Decrease or increase ; depends on the type of liquid Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To remove all the moisture from a wet solid it requires exposure to __________ air. Perfectly dry Highly humid None of these High temperature Perfectly dry Highly humid None of these High temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Size Cost Durability Porosity Size Cost Durability ANSWER DOWNLOAD EXAMIANS APP
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