Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 1.2 to 1.5 2.5 to 3 5 3 to 4 1.2 to 1.5 2.5 to 3 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction Results in low interfacial tension Employs two solvents None of the listed here Employs only one solvent Results in low interfacial tension Employs two solvents None of the listed here Employs only one solvent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory. Penetration None of these Film Surface renewal Penetration None of these Film Surface renewal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Both liquids can have any desired flow rate Only one of the liquids may be pumped at any desired rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate Only one of the liquids may be pumped at any desired rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line) G/mL LG/m ML/G L/mG G/mL LG/m ML/G L/mG ANSWER DOWNLOAD EXAMIANS APP