Mass Transfer Mass transfer co-efficient is directly proportional to DAB according to the __________ theory. Surface-renewal None of these Penetration Film Surface-renewal None of these Penetration Film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De/t)1/2 (4De/πt)1/2 (De.t)1/2 (4De/t) (De/t)1/2 (4De/πt)1/2 (De.t)1/2 (4De/t) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the degree of freedom of an absorption process in which only one component is transferred between phases? 2 3 4 1 2 3 4 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with maximum boiling azeotrope at 1 atm. Ethyl alcohol-water Acetone chloroform None of these Benzene-ethyl alcohol Ethyl alcohol-water Acetone chloroform None of these Benzene-ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Activation energy of the molecules Potential energy of the molecules Thermal energy of the molecules Transfer of molecules from low concentration to high concentration region Activation energy of the molecules Potential energy of the molecules Thermal energy of the molecules Transfer of molecules from low concentration to high concentration region ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Avoid channelling Avoid flooding Reduce liquid hold-up Reduce the overall pressure drop Avoid channelling Avoid flooding Reduce liquid hold-up Reduce the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP