35251. For the same system, if the same liquid used in an absorber is decreased, the tower height will
35252. Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.
35253. Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent
35254. In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when
35255. In an interphase mass transfer process, the lesser the solubility of a given solute in a liquid, the higher are the chances that the transfer process will be
35256. As the reflux ratio decreases, the
35257. Which of the following equipments is not used for gas dispersion ?
35258. One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect
35259. The equation, is for
35260. With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop
35261. The Round Table Conferences were held in
35262. Which of these columns incurs the lowest pressure drop ?
35263. In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.
35264. If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is
35265. Which of the following remains constant during evaporative cooling process with recirculated water supply ?
35266. For stripping of a gas in a counter current stripper, the operating line
35267. Which of the following same diameter columns gives lowest pressure drop per unit height ?
35268. Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution.
35269. Stage efficiency in a leaching process depends on the
35270. Operating velocity in a packed tower is usually __________ the flooding velocity.
35271. The Knudsen diffusivity is dependent on the
35272. Minimum possible diameter of a packed coloumn is decided mainly by the
35273. Solvent used in extractive distillation
35274. Capacity of a rotary dryer depends on its
35275. The cooling effect in a cooling tower can be speeded up by
35276. The following plot gives the saturated humidity (He) versus temperature (T).Line joining (H1, T1) and (H2, T2) is the constant enthalpy line. Choose the correct one from among the alternatives A, B, C and D.
35277. When both the fluids flow concurrently in an absorber, the slope of the operating line is
35278. The percentage humidity is less than the relative humidity only at __________ percent humidity.
35279. Back-trapping in a distillation column
35280. Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.
35281. Milk is dried usually in a __________ dryer.
35282. At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant
35283. Which of the following adsorbent is used to decolourise yellow glycerine ?
35284. Which of the following liquid temperature (T) Vs. vapor-gas mixture enthalpy (H) diagram is valid for humidification operation?
35285. In a distillation column, with increase in the reflux ratio, the heat removed in the cooler
35286. Forward Bloc was formed in
35287. Which of the following is not a unit of mass transfer co-efficient ?
35288. The falling rate period in the drying of a solid is characterised by
35289. In which of the following unit operations, the selectivity is an important parameter ?
35290. Which of the following is an undesirable characteristic for the solvent used in gas absorption ?
35291. Which of the following equipments is not used for liquid dispersion ?
35292. Diameter of raschig rings used in packed tower in industry is normally around __________ inches.
35293. The diffusion co-efficient in m2 /s. of acetic acid in benzene (liquid in liquid) is
35294. In 1955 Imperial Bank of India was nationalized and renamed as
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