Mass Transfer Solvent used in extractive distillation 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 Does not alter the relative volatility of the original components ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 1 to 5 1 > 10 5 to 10 1 to 5 1 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Is equal to the volumetric diffusivity Is independent of pressure Varies directly as the pressure Varies inversely as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies directly as the pressure Varies inversely as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). 200-300 > 500 43835 22190 200-300 > 500 43835 22190 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 1 5 100 10 1 5 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The critical moisture content in case of drying indicates the __________ rate period. None of these End of falling Beginning of constant Beginning of falling None of these End of falling Beginning of constant Beginning of falling ANSWER DOWNLOAD EXAMIANS APP
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