Mass Transfer Solvent used in extractive distillation Does not alter the relative volatility of the original components Forms a high boiling azeotrope Is of low volatility Forms a low boiling azeotrope Does not alter the relative volatility of the original components Forms a high boiling azeotrope Is of low volatility Forms a low boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 70 7 0.7 150 70 7 0.7 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? Cooling and dehumidification None of these Heating and dehumidification at almost constant wet bulb temperature Dehumidification with dry bulb temperature remaining constant Cooling and dehumidification None of these Heating and dehumidification at almost constant wet bulb temperature Dehumidification with dry bulb temperature remaining constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Repeated coalescence & redispersion of the drop phase Better contact of the phase None of these Higher contact area Repeated coalescence & redispersion of the drop phase Better contact of the phase None of these Higher contact area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies directly as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies inversely as the pressure Varies directly as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies inversely as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? Composition of the entering liquid Terminal concentrations of gas stream None of these Flow rate of the entering gas Composition of the entering liquid Terminal concentrations of gas stream None of these Flow rate of the entering gas ANSWER DOWNLOAD EXAMIANS APP