Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An example of elutioh is Separation of sugar from sugar beet by hot water Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Dissolution of tannin out of tree barks by water Recovery of vegetable oils from seeds Separation of sugar from sugar beet by hot water Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Dissolution of tannin out of tree barks by water Recovery of vegetable oils from seeds ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower All of these Is undesirable Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Is undesirable Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Thermal energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Activation energy of the molecules Thermal energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Activation energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B 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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