Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Does not affect the moisture content of the wet solid Decreases with time Increases with time Does not change with time Does not affect the moisture content of the wet solid Decreases with time Increases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio Both A & B Both the operating lines coincide with diagonal The overhead product is minimum Neither A nor B Both A & B Both the operating lines coincide with diagonal The overhead product is minimum Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Amount of solvent required will be minimum Separation of the constituents is the most effective Solvent flow rate should be very low No separation will occur Amount of solvent required will be minimum Separation of the constituents is the most effective Solvent flow rate should be very low No separation will occur ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raschig ring made of procelain cannot be used for treating concentrated Alkalis Hydrochloric acid Nitric acid Sulphuric acid Alkalis Hydrochloric acid Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. Film Penetration None of these Surface renewal Film Penetration None of these Surface renewal ANSWER DOWNLOAD EXAMIANS APP