Mass Transfer With increase in temperature, the leaching rate increases because of the None of the listed here Both Decreased viscosity of liquid & Increased diffusivity Decreased viscosity of liquid Increased diffusivity None of the listed here Both Decreased viscosity of liquid & Increased diffusivity Decreased viscosity of liquid Increased diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. Free Critical Unbound Bound Free Critical Unbound Bound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the Degree of dispersion of one fluid in the other Interfacial surface exposed between the phases None of these Both A & B Degree of dispersion of one fluid in the other Interfacial surface exposed between the phases None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Potential energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Potential energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) F/(FG.a) (G.a)/FG FG/(G.a) L/(FG.G) F/(FG.a) (G.a)/FG FG/(G.a) L/(FG.G) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, 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 None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid ANSWER DOWNLOAD EXAMIANS APP