(NRe . NSc) is termed in mass transfer operation as the __________ number.

Related MCQs

• (NSh/NRe.NSc) is termed in mass transfer operation as the
• According to Chilton-Colburn analogy for mass transfer, NSt.NSc 2/3 is equal to
• 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
• The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________
• Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
• Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.
• For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is
• NSc/NPr is called the
• 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 turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as