Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T0.5 D ∝ T1.5 D ∝ T D ∝ T2 D ∝ T0.5 D ∝ T1.5 D ∝ T D ∝ T2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Above Which it will always become dry and below which it will always stay damp Above which it will always become damp Both A and B Below which it will always stay dry Above Which it will always become dry and below which it will always stay damp Above which it will always become damp Both A and B Below which it will always stay dry ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate High boiling substances from nonvolatile impurities Azeotropes Heat sensitive materials Mixtures of low relative volatility High boiling substances from nonvolatile impurities Azeotropes Heat sensitive materials Mixtures of low relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes ; but the air flow rate should be excessively high Yes Yes ; but height of cooling tower will be prohibitively high No Yes ; but the air flow rate should be excessively high Yes Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the None of these Both A & B Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other None of these Both A & B Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Antibiotics are best handled in a Pulsed column extractor Rotating disc contactor Podbielniak extractor Sieve tray contractor Pulsed column extractor Rotating disc contactor Podbielniak extractor Sieve tray contractor ANSWER DOWNLOAD EXAMIANS APP