Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Increases with time Does not change with time Does not affect the moisture content of the wet solid Decreases with time Increases with time Does not change with time Does not affect the moisture content of the wet solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when One of the liquid components is heat sensitive Viscosity of liquid components is very high One of the liquid components has very high affinity towards the solvent Extracting solvent is cheaply & abundantly available One of the liquid components is heat sensitive Viscosity of liquid components is very high One of the liquid components has very high affinity towards the solvent Extracting solvent is cheaply & abundantly available ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Both A & B Lowering the total pressure Raising the temperature Neither A nor B Both A & B Lowering the total pressure Raising the temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T⁴ T T² √T T⁴ T T² √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.107 0.31 0.017 0.215 0.107 0.31 0.017 0.215 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with maximum boiling azeotrope at 1 atm. Acetone chloroform Benzene-ethyl alcohol Ethyl alcohol-water None of these Acetone chloroform Benzene-ethyl alcohol Ethyl alcohol-water None of these ANSWER DOWNLOAD EXAMIANS APP
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