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 = 1 S = ∞ S < 1 S > 1 S = 1 S = ∞ S < 1 S > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture? Rag paper Anthracite coal Inorganic solids Bamboo Rag paper Anthracite coal Inorganic solids Bamboo ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Both A & B Solids are drained to the same extent Neither A nor B Ratio of the insoluble to solution is constant Both A & B Solids are drained to the same extent Neither A nor B Ratio of the insoluble to solution is constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit operation involved in the prilling of urea is Crystallisation Both B and C Drying Evaporation Crystallisation Both B and C Drying Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Under conditions of flooding in packed tower, the gas pressure drop Increases rapidly Is maximum Remains constant Decreases rapidly Increases rapidly Is maximum Remains constant Decreases rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-1 cm²/sec 10-4 cm²/seC₂ 10-9 cm/sec 10-3 sec/cm 10-1 cm²/sec 10-4 cm²/seC₂ 10-9 cm/sec 10-3 sec/cm ANSWER DOWNLOAD EXAMIANS APP