Mass Transfer Prandtl number for water at 20°C is about 0.7 7 70 150 0.7 7 70 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Unity Infinity Data insufficient Zero Unity Infinity Data insufficient Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc ; there won Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc ; there won ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Total Maximum permissible Minimum Operating Total Maximum permissible Minimum Operating ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Degree of ideality of the solution Neither A nor B Viscosity with concentration Both A & B Degree of ideality of the solution Neither A nor B Viscosity with concentration Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed q < 1 q = 0 q = 1 q > 1 q < 1 q = 0 q = 1 q > 1 ANSWER DOWNLOAD EXAMIANS APP