Q. Which of the following provides maximum contact surface for a liquid-vapour system?

View solution

Q. For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

View solution

Q. In stripping section of continuous distillation column, the

View solution

Q. In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve)

View solution

Q. Pick out the wrong statement.

View solution

Q. In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

View solution

Q. At constant pressure, with increase of temperature, the dew point will

View solution

Q. For a single component absorber, the operating line is straight only when plotted in term of __________ units.

View solution

Q. Raschig ring made of procelain cannot be used for treating concentrated

View solution

Q. H₂S present in naphtha reformed gas is removed by absorbing with

View solution

Q. During constant rate drying period, vaporisation rate per unit drying surface area

View solution

Q. Pick out the wrong statement.

View solution

Q. In rectifying section of a continuous distillation column, the

View solution

Q. For a distillation column operating at minimum reflux, the

View solution

Q. 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))

View solution

Q. Flash distillation is suitable for the separation of components

View solution

Q. In Mcabe-Thiele method, at infinite reflux ratio

View solution

Q. Leaching rate is independent of the

View solution

Q. Molality is defined as the number of gm moles of solute per __________ of solvent.

View solution

Q. __________ is concerned with the adsorption equilibria.

View solution