Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Plate towers Wetted wall columns Spray towers Packed towers Plate towers Wetted wall columns Spray towers Packed towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Passes through a maximum Decreases Increases Remains unaffected Passes through a maximum Decreases Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Number of plates is zero Minimum number of the theoretical plates is required Number of plates is infinity Separation is most efficient Number of plates is zero Minimum number of the theoretical plates is required Number of plates is infinity Separation is most efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at the azeotropic composition is 1 > 1 ∞ 1 > 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which is the controlling factor for a drum drier? Neither A nor B Both A & B Heat transfer Diffusion Neither A nor B Both A & B Heat transfer Diffusion ANSWER DOWNLOAD EXAMIANS APP
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