Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Results due to very high gas velocity Results due to very low gas velocity Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very high gas velocity Results due to very low gas velocity Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high volatility Of high viscosity to give high tray efficiency Present in overhead stream Added to alter the relative volatility of the mixture Of high volatility Of high viscosity to give high tray efficiency Present in overhead stream Added to alter the relative volatility of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The McCabe Δ L law states that the Linear crystal growth rate depends on the degree of supersaturation Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the crystal size Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the degree of supersaturation Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the crystal size Linear crystal growth rate does not depend on the crystal size 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 Parallel Both A & B Neither A nor B Straight Parallel Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S = ∞ S < 1 S = 1 S > 1 S = ∞ S < 1 S = 1 S > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Wet bulb temperature None of these Relative humidity Partial pressure of vapour Wet bulb temperature None of these Relative humidity ANSWER DOWNLOAD EXAMIANS APP
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