Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Wetted wall Bubble cap Packed Perforated tray Wetted wall Bubble cap Packed Perforated tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. 70-80 44119 30-40 90-100 70-80 44119 30-40 90-100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for the separation of components 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 Which form minimum boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Neither A nor B Distribution co-efficient Both A & B Selectivity Neither A nor B Distribution co-efficient Both A & B Selectivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Greater than that computed for ideality Less than that computed for ideality None of these Less than the sum of the vapour pressure of the components Greater than that computed for ideality Less than that computed for ideality None of these Less than the sum of the vapour pressure of the components ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P0.5 ANSWER DOWNLOAD EXAMIANS APP
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