Mass transfer co-efficient varies as DAB 0.5, according to the __________ theory.

Related MCQs

• Mass transfer co-efficient is directly proportional to DAB according to the __________ theory.
• Mass transfer co-efficient is directly proportional to DAB 0.5, according to __________ theory.
• Mass transfer co-efficient 'K' according to penetration theory varies with mass diffusivity as
• H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is
• For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is
• JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by
• Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time)
• Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as
• A solid is being dried in the linear drying rate regime from moisture content Xo to XF. The drying rate is zero at X = 0 and the critical moisture content is the same as the initial moisture Xo. The drying time for M = (Ls /ARc) is (where, L = total mass of dry solid, A = total surface area for drying Rc = Constant maximum drying rate per unit area X = moisture content (in mass of water/mass of dry solids))
• 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, moles/m2, a: interfacial area per unit volume of tower)