Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of -1.5 1.5 0.6 -0.6 -1.5 1.5 0.6 -0.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T3 T1.5 T √T T3 T1.5 T √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 4 1 2 3 4 1 2 3 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 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 Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Actual humidity to saturation humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Same as differential distillation Used for multicomponent systems like crude refining Same as simple distillation Most useful for handling binary systems Same as differential distillation Used for multicomponent systems like crude refining Same as simple distillation Most useful for handling binary systems ANSWER DOWNLOAD EXAMIANS APP
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