Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Total reflux All of these Constant molal overflow Constant relative volatility Total reflux All of these Constant molal overflow Constant relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropism for ethyl alcohol-water system disappears by Increasing pressure Decreasing pressure No means Increasing temperature Increasing pressure Decreasing pressure No means Increasing temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T³ T √T T² T³ T √T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Above which it will always become damp Above Which it will always become dry and below which it will always stay damp Below which it will always stay dry Both A and B Above which it will always become damp Above Which it will always become dry and below which it will always stay damp Below which it will always stay dry Both A and B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) None of these Remains unchanged Increases Decreases None of these Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 1.2 to 1.5 5 2.5 to 3 3 to 4 1.2 to 1.5 5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
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