Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Decreases in winter Increases in winter Increases in summer None of these Decreases in winter Increases in winter Increases in summer None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is Very low pressure distillation Both B and C High temperature distillation For heat-sensitive materials Very low pressure distillation Both B and C High temperature distillation For heat-sensitive materials 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 Pressure drop in the equipment will be very high None of these Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high None of these Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air Dew point < wet bulb temperature None of the listed here Both of the options given here Wet bulb temperature < dry bulb temperature Dew point < wet bulb temperature None of the listed here Both of the options given here Wet bulb temperature < dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T² T T³ √T T² T T³ √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Ion-exchange Adsorption Rectification Absorption Ion-exchange Adsorption Rectification Absorption ANSWER DOWNLOAD EXAMIANS APP
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