Mass Transfer Chemisorption (chemical adsorption) is Same as "Van der Waals" adsorption A reversible phenomenon Characterised by adsorption of heat An irreversible phenomenon Same as "Van der Waals" adsorption A reversible phenomenon Characterised by adsorption of heat An irreversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed randomly with crushed solids At very high liquid flow rate In towers packed with stacked packing In dumped packing of regular units In towers packed randomly with crushed solids At very high liquid flow rate In towers packed with stacked packing In dumped packing of regular units ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption, both the operating and equilibrium lines will be straight for Isothermal operation None of these Dilute solutions Dilute solutions and isothermal operation Isothermal operation None of these Dilute solutions Dilute solutions and isothermal operation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches Integral heat of adsorption Zero None of these That of normal condensation Integral heat of adsorption Zero None of these That of normal condensation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. 200-330 > 1000 > 500 < 150 200-330 > 1000 > 500 < 150 ANSWER DOWNLOAD EXAMIANS APP
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