Mass Transfer Surface renewal model of mass transfer was enunciated by Toor and Marchello Danckwerts Fick Stefan Toor and Marchello Danckwerts Fick Stefan ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. Critical Bound Unbound Free Critical Bound Unbound Free ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Low reflux ratio High reflux ratio Small cross-section column Less number of trays Low reflux ratio High reflux ratio Small cross-section column Less number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Rate of diffusion of the solute through the solid and into the liquid Time of contact between the solid and the solution Both A & B Vapour pressure of the solution Rate of diffusion of the solute through the solid and into the liquid Time of contact between the solid and the solution Both A & B Vapour pressure of the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Batch tray dryers suffers from the disadvantage of High maintenance cost All of the listed here High labour cost & low heat economy Non-uniform & low production rate High maintenance cost All of the listed here High labour cost & low heat economy Non-uniform & low production rate ANSWER DOWNLOAD EXAMIANS APP
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