Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Remains unaffected Decreases Increases Passes through a maximum Remains unaffected Decreases Increases Passes through a maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency in a distillation column is reduced due to the __________ of liquid. Foaming Weeping & dumping All of these Entrainment Foaming Weeping & dumping All of these Entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect Neither the product composition nor the fraction vaporised The product composition but not the fraction vaporised The fraction vaporised but not the product composition The product composition as well as the fraction vaporised Neither the product composition nor the fraction vaporised The product composition but not the fraction vaporised The fraction vaporised but not the product composition The product composition as well as the fraction vaporised ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The critical moisture content in case of drying indicates the __________ rate period. End of falling None of these Beginning of falling Beginning of constant End of falling None of these Beginning of falling Beginning of constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed randomly with crushed solids At very high liquid flow rate In dumped packing of regular units In towers packed with stacked packing In towers packed randomly with crushed solids At very high liquid flow rate In dumped packing of regular units In towers packed with stacked packing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drying operation under vacuum is carried out to Reduce drying temperature Increase drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Reduce drying temperature Increase drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content ANSWER DOWNLOAD EXAMIANS APP
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