Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T⁴ √T T T² T⁴ √T T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Constant rate Unsaturated surface Both A & B Neither A nor B Constant rate Unsaturated surface Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower. Is same as Cannot be predicted as data are insufficient Is lower than Is greater than Is same as Cannot be predicted as data are insufficient Is lower than Is greater than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humid volume is the total volume in m³ of 1 kg of Gas plus its accompanying vapour at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and room temperature Vapour laden gas at 1 atm. and gas temperature Vapour laden gas at 1 atm. and room temperature Gas plus its accompanying vapour at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and room temperature Vapour laden gas at 1 atm. and gas temperature Vapour laden gas at 1 atm. and room temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Decreases linearly Remains unaffected Increases Decreases Decreases linearly Remains unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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