Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Mixture with very high relative volatility High boiling mixture Heat sensitive materials Constant boiling mixture Mixture with very high relative volatility High boiling mixture Heat sensitive materials Constant boiling mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter of raschig rings used in packed tower in industry is normally around __________ inches. 12 18 2 8 12 18 2 8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement pertaining to leaching. Fine solids can not be leached in a Pachuka tank Very high temperature is not needed for the leaching of sugar beet Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Door classifier can be used for leaching of coarse solids Fine solids can not be leached in a Pachuka tank Very high temperature is not needed for the leaching of sugar beet Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Door classifier can be used for leaching of coarse solids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp = M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.) Kc = Kp . RT = Km . RT/p Kc = Kp/RT = Km . RT/P Kc = Kp = Km None of these Kc = Kp . RT = Km . RT/p Kc = Kp/RT = Km . RT/P Kc = Kp = Km None of these ANSWER DOWNLOAD EXAMIANS APP
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