Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Liquid Gas Neither A nor B Both A & B Liquid Gas Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drying operation under vacuum is carried out to Increase drying temperature Reduce drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Increase drying temperature Reduce drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be Either A or B; depends on the packing height More Less Equal Either A or B; depends on the packing height More Less Equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An example of elutioh is Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Recovery of vegetable oils from seeds Separation of sugar from sugar beet by hot water Dissolution of tannin out of tree barks by water Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Recovery of vegetable oils from seeds Separation of sugar from sugar beet by hot water Dissolution of tannin out of tree barks by water 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 = Km Kc = Kp . RT = Km . RT/p None of these Kc = Kp/RT = Km . RT/P Kc = Kp = Km Kc = Kp . RT = Km . RT/p None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Thermal diffusivity Both Momentum flux & Kinematic viscosity Kinematic viscosity Momentum flux Thermal diffusivity Both Momentum flux & Kinematic viscosity Kinematic viscosity Momentum flux ANSWER DOWNLOAD EXAMIANS APP
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