Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/a Proportional to √D D/2a Dependent on the Reynolds number D/a Proportional to √D D/2a Dependent on the Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer HETP is numerically equal to HTU, only when the operating line Lies above the equilibrium line Lies below the equilibrium line Is far from the equilibrium line And equilibrium lines are parallel Lies above the equilibrium line Lies below the equilibrium line Is far from the equilibrium line And equilibrium lines are parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit of molal diffusivity is Cm²/sec gm . mole Gm moles/cm² . sec Gm moles/cm². sec Gm moles/cm. sec Cm²/sec gm . mole Gm moles/cm² . sec Gm moles/cm². sec Gm moles/cm. sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 0.5 ∞ 1 2 0.5 ∞ 1 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the wet bulb Less than the wet bulb More than the wet bulb Equal to the dry bulb Equal to the wet bulb Less than the wet bulb More than the wet bulb Equal to the dry bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Absorption Distillation Liquid extraction Evaporation Absorption Distillation Liquid extraction Evaporation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS