Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Increases with time Does not change with time Decreases with time Does not affect the moisture content of the wet solid Increases with time Does not change with time Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When a multistage tray tower uses a minimum reflux ratio, it implies Minimum trays and maximum reboiler heat load Infinite trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Infinite trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load Infinite trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Infinite trays and minimum reboiler heat load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart is useful in the design of Distillation column Dryer Crystalliser Evaporator Distillation column Dryer Crystalliser Evaporator 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 D/2a D/a Proportional to √D Dependent on the Reynolds number D/2a D/a Proportional to √D Dependent on the Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Remains unchanged Increases Depends on the pressure of the system Decreases Remains unchanged Increases Depends on the pressure of the system Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.8 to 1.2 1.25 to 2.0 2.5 to 3.5 0.5 to 0.8 0.8 to 1.2 1.25 to 2.0 2.5 to 3.5 0.5 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
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