Mass Transfer Tea percolation employs Absorption Liquid-liquid extraction None of these Leaching Absorption Liquid-liquid extraction None of these Leaching ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Large minimum liquid to gas (L/G) ratio Large number of trays Decreased solute solubility All of these Large minimum liquid to gas (L/G) ratio Large number of trays Decreased solute solubility All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Vapors and liquids are at their dew point and bubble point respectively Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Vapors and liquids are at their dew point and bubble point respectively Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.8 to 1.2 2.5 to 3.5 0.5 to 0.8 1.25 to 2.0 0.8 to 1.2 2.5 to 3.5 0.5 to 0.8 1.25 to 2.0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Both A & B Neither A nor B Straight Parallel Both A & B Neither A nor B Straight Parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high Yes No Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high Yes ANSWER DOWNLOAD EXAMIANS APP
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