Q. Rate of adsorption increases as the

View solution

Q. Chemisorption compared to physical absorption has

View solution

Q. Desulphurisation of petrol is done in a

View solution

Q. Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as

View solution

Q. The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the

View solution

Q. The boiling points of pure components of a binary system __________ with increase in total pressure of the system.

View solution

Q. A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

View solution

Q. For absorbing a sparingly soluble gas in a liquid, the

View solution

Q. Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

View solution

Q. Which of the following is used for the concentration of rubber latex ?

View solution

Q. Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

View solution

Q. At 750°K and 1 atm, the approximate value of Schmidt number for air is

View solution

Q. In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be

View solution

Q. Fractional solvent extraction

View solution

Q. __________ is concerned with the adsorption equilibria.

View solution

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

View solution

Q. Leaching rate is independent of the

View solution

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

View solution

Q. Flash distillation is suitable for the separation of components

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