Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Yes Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Never Yes Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the feed to a distillation column is a saturated liquid, slope of the feed line is Unity Infinity None of these Zero Unity Infinity None of these Zero 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) Straight Both A & B Parallel Neither A nor B Straight Both A & B Parallel Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture. Composition All of these Temperature Total pressure Composition All of these Temperature Total pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. None of these a₁ = 2a₂ a₁ = 0.5 a₂ a₁ = a₂ None of these a₁ = 2a₂ a₁ = 0.5 a₂ a₁ = a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to Avoid thermal decomposition of a component Increase the total pressure of distillation Reduce the number of plates Increase the efficiency of separation Avoid thermal decomposition of a component Increase the total pressure of distillation Reduce the number of plates Increase the efficiency of separation ANSWER DOWNLOAD EXAMIANS APP
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