Mass Transfer The unit of volumetric diffusivity is Cm³/sec Cm²/seC₂ Cm/sec Cm²/sec Cm³/sec Cm²/seC₂ Cm/sec Cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction None of the listed here Results in low interfacial tension Employs two solvents Employs only one solvent None of the listed here Results in low interfacial tension Employs two solvents Employs only one solvent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn All of these Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler Comprises of thin bed of substances of extended surface having high porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other None of these Both A & B Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying of a solid, the critical moisture content increases with Both B and C Decreased drying rate Increased thickness of the solid Increased drying rate Both B and C Decreased drying rate Increased thickness of the solid Increased drying rate ANSWER DOWNLOAD EXAMIANS APP
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