Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area 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 None of these Kc = Kp = Km Kc = Kp/RT = Km . RT/P Kc = Kp . RT = Km . RT/p None of these Kc = Kp = Km ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of sugar from sugar beets is done by Hexane Hot water Lime water Dilute H₂SO₄ Hexane Hot water Lime water Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Smoke is an example of Liquid dispersed in gas Gas dispersed in liquid Solid dispersed in liquid Solid dispersed in gas Liquid dispersed in gas Gas dispersed in liquid Solid dispersed in liquid Solid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer ______ extractor uses centrifugal force for separating the two phases. None of the listed here Schiebel Treybal Podbielniak None of the listed here Schiebel Treybal Podbielniak ANSWER DOWNLOAD EXAMIANS APP
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