Mass Transfer Steam distillation is not recommended to be used, if the Azeotropic mixture is to be separated and the final product is miscible with water Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature Liquids decompose, if distilled directly at atmospheric pressure Azeotropic mixture is to be separated and the final product is miscible with water Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature Liquids decompose, if distilled directly at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of 1.5 0.6 -0.6 -1.5 1.5 0.6 -0.6 -1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Proportional to √D D/a Dependent on the Reynolds number D/2a Proportional to √D D/a Dependent on the Reynolds number D/2a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desulphurisation of petrol is done in a Rotating disc extractor Packed extraction column Bollman extractor Plate type extraction column Rotating disc extractor Packed extraction column Bollman extractor Plate type extraction column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and None of these Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature Dehumidified None of these Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature Dehumidified ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? F > 1 0 < f < 1 F < 1 F = 1 F > 1 0 < f < 1 F < 1 F = 1 ANSWER DOWNLOAD EXAMIANS APP