35351. Mass transfer co-efficient varies as DAB0.5, according to the __________ theory.
35352. For an absorber, both equilibrium and operating line will be straight for
35353. A distillation column separates 10000 kg/hr of a benzene-toluene mixture as shown in the figure below : In the figure xF, xD and xW represent the weight fraction of benzene in the feed, distillate and residue respectively. The reflux ratio is
35354. Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and
35355. Humid volume, at a given temperature is a/an __________ function of humidity.
35356. The Schmidt number which is defined as, μ/ρ D, is the ratio of the
35357. If f is defined as above, then which of the following applies to a feed at dew point ?
35358. Perforated plate towers are unique for solvent extraction because, they provide
35359. In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.
35360. Pick out the wrong statement pertaining to the analogy between equations of heat and mass transfer operations.
35361. The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is
35362. The individual mass transfer co-efficients (moles/m2 . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ?
35363. Pore size of the molecular seive 5A is __________ mm.
35364. Swenson-Walker crystalliser is a __________ unit
35365. According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B ? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn.
35366. Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in
35367. With increase in temperature, the mutual solubility of two liquids
35368. In which year was the Presidential Rule enforced in Kerala for the first time?
35369. The relative volatility of a binary mixture at the azeotropic composition is
35370. Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature.
35371. Lewis number (Le) is
35372. Which of the following is not a continuous leaching equipment ?
35373. __________ extractor is used for the concentration of radioactive nuclear waste.
35374. Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture.
35375. All moisture in a non-hygroscopic material is the __________ moisture.
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