Mass Transfer Chemisorption compared to physical absorption has Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate Lower capacity of the solvent for the solute gas None of these Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate Lower capacity of the solvent for the solute gas None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve) S₂/S₁ S₁/S₂ S₁ - S₂ S₁ x S₂ S₂/S₁ S₁/S₂ S₁ - S₂ S₁ x S₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL/DA² KL²/DA √(KL².DA) KL².DA KL/DA² KL²/DA √(KL².DA) KL².DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for the separation of components Which form minimum boiling azeotrope Which form maximum boiling azeotrope Having very close boiling points Having very wide boiling points Which form minimum boiling azeotrope Which form maximum boiling azeotrope Having very close boiling points Having very wide boiling points ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Spray towers Bubble cap tray towers Agitated vessels Perforated sieve tray towers Spray towers Bubble cap tray towers Agitated vessels Perforated sieve tray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Grid tray tower Perforated tray tower Bubble cap tower Wetted wall tower Grid tray tower Perforated tray tower Bubble cap tower Wetted wall tower ANSWER DOWNLOAD EXAMIANS APP