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 In distillation columns, the number of bubble caps per tray primarily depends upon the Allowable gas and liquid velocities Feed composition Allowable liquid velocity Allowable gas velocity Allowable gas and liquid velocities Feed composition Allowable liquid velocity Allowable gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P < P P = P P P >>P P < P P = P P P >>P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Increased relative volatility Thermal decomposition of bottoms Erosion of the tower Very efficient operation Increased relative volatility Thermal decomposition of bottoms Erosion of the tower Very efficient operation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer. Rotary None of these Tunnel Tray Rotary None of these Tunnel Tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is Dependent on the molecular volume & molecular weight of components All of these Directly proportional to 'T1.5' Inversely proportional to 'P' Dependent on the molecular volume & molecular weight of components All of these Directly proportional to 'T1.5' Inversely proportional to 'P' ANSWER DOWNLOAD EXAMIANS APP
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