35101. Wetted wall tower experiment determines the
35102. In McCabe-Thiele method, at infinite reflux ratio
35103. With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency
35104. Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the
35105. The equilibrium liquid composition compared to the vapor composition in case of azeotropic mixture is
35106. Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.
35107. Pick out the system with minimum boiling azeotrope at 1 atm.
35108. Free flowing granular materials can be best dried in a __________ drier.
35109. In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,
35110. Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
35111. If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is
35112. Liquid diffusivity is of the order of __________ cm2 /second.
35113. The solvent used in liquid extraction should not have high latent heat of vaporisation, because
35114. At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.
35115. Molarity is defined as the number of gm moles of solute per __________ of solvent.
35116. The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around
35117. An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii)
35118. The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law.
35119. Which of the following binary systems is an example of a maximum boiling azeotrope ?
35120. (NRe . NSc) is termed in mass transfer operation as the __________ number.
35121. The binary diffusivity in gases and liquids vary respectively as
35122. Who was the chief guest during the occasion of 67th Republic Day of India?
35123. ’Unfinished Dream’is the book written by
35124. Kerala Mineral and Metals is at
35125. Very tall packed towers are divided into series of beds to
35126. Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture.
35127. With increase in temperature, the solubility of gases in liquids, at fixed pressure
35128. In most of the vacuum crystalliser, vacuum is generally produced by means of a
35129. On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
35130. __________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids.
35131. Deairation (removal of O2) of water is done by
35132. Make up water is supplied during cooling tower operation to compensate for water losses due to
35133. Total area of Kerala is
35134. A minimum boiling azeotrope is exemplified by
35135. Which of the following solutions will follow Raoult's law most closely ?
35136. Use of raschig rings in place of crushed stones as packing in packed beds (other things being same)
35137. Critical humidity of a solid salt means the humidity
35138. The assumption made in Elis method in distillation is that enthalpy concentration lines of vapor and liquid are
35139. As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches
35140. 'Absorption with chemical reaction' is involved in the removal of
35141. The-relative volatility for separation of a non-ideal binary mixture by distillation should be
35142. Recently in which State Jats conducted movement for reservation?
35143. In paper industry, paper is dried in a __________ dryer.
35144. Kundara proclamation was issued by
35145. Only small amount of evaporation of water produces large cooling effects because of its
35146. The most common packing used in industrial operations is __________ rings.
35147. When the feed to a distillation column is a saturated liquid, slope of the feed line is
35148. Leaching of sugar from sugar beets is done by
35149. Absorption factor method is used to calculate the number of ideal stages, when
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