Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible Molar latent heats of all components are equal None of these Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible Molar latent heats of all components are equal None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Bubble plate column Packed column (with dumped packing) Packed column (with stacked packing) Pulse column Bubble plate column Packed column (with dumped packing) Packed column (with stacked packing) Pulse column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Mixtures of low relative volatility Heat sensitive materials Azeotropes High boiling substances from nonvolatile impurities Mixtures of low relative volatility Heat sensitive materials Azeotropes High boiling substances from nonvolatile impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher relative humidity Higher wet bulb temperature Higher dew point Higher absolute (specific) humidity Higher relative humidity Higher wet bulb temperature Higher dew point Higher absolute (specific) humidity 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 None of these Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Binary distillation Adsorption Gas absorption Humidification Binary distillation Adsorption Gas absorption Humidification ANSWER DOWNLOAD EXAMIANS APP
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