For stripping of a gas in a counter current stripper, the operating line
(A) Lies above the equilibrium curve
(B) Lies below the equilibrium curve
(C) Can lie above or below the equilibrium curve
(D) Is always parallel to the equilibrium curve
Description : Pick out the wrong statement. (A) The operating line always lies above the equilibrium solubility curve in case of a single component absorber (B) The operating line always lies below the equilibrium ... (D) The solubility of a particular gas in ideal solution in any solvent is always the same
Last Answer : (C) The operating pressure in solvent extraction system should be below vapor pressures of all components
Description : In case of a desorber (stripper), the (A) Operating line always lies above the equilibrium curve (B) Operating line always lies below the equilibrium curve
Last Answer : (B) Operating line always lies below the equilibrium curve
Description : Pick out the wrong statement: (A) Absorption factor is constant, when the equilibrium and operating lines are straight (B) In case of a stripper, the equilibrium curve is always below ... (D) In the absorption of low solubility gases, the liquid film is the controlling resistance
Last Answer : (B) In case of a stripper, the equilibrium curve is always below the operating line
Description : Pick out the wrong statement. (A) When the concentration difference for the mass transfer becomes zero at the bottom of the gas absorption tower, then the upper end of the operating line touches the ... fixed gas flow rate, the slope of the operating line decreases, in case of gas absorption process
Last Answer : (C) The operating line lies above the equilibrium curve in case of a gas desorber
Description : Pick out the wrong statement (A) Co-current absorbers are usually used, when the gas to be dissolved in the liquid is a pure substance (B) In case of gas absorption, HETP is ... reaction (D) In actual practice, absorption is an endothermic process, while stripping is an exothermic process
Last Answer : (D) In actual practice, absorption is an endothermic process, while stripping is an exothermic process
Description : In case of an absorber, the operating (A) Line always lies above the equilibrium curve (B) Line always lies below the equilibrium curve (C) Line can be either above or below the equilibrium curve (D) Velocity is more than the loading velocity
Last Answer : (A) Line always lies above the equilibrium curve
Description : Absorption factor method is used to calculate the number of ideal stages, when (A) Operating line lies above the equilibrium line (B) Operating line lies below the equilibrium line (C) Both operating and equilibrium lines are parallel (D) Pressure drop in the column is very high
Last Answer : (C) Both operating and equilibrium lines are parallel
Description : HETP is numerically equal to HTU, only when the operating line (A) Lies below the equilibrium line (B) Lies above the equilibrium line (C) And equilibrium lines are parallel (D) Is far from the equilibrium line
Last Answer : (C) And equilibrium lines are parallel
Description : Pick out the correct statement. (A) The slope of the stripping line is always less than unity (B) For a given separation in a binary distillation column, with increase in reflux ratio ( ... (D) Kremser-Brown-Souder's equation is used to calculate the efficiency of a plate tower
Last Answer : C) In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux
Description : ‘L/mG’ is the expression for (A) Absorption factor (B) Brinkman number (C) Slope of operating line in absorber (D) Slope of operating line in stripper
Last Answer : (A) Absorption factor
Description : In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. (A) Interface (B) Gas phase (C) Liquid phase (D) All 'a', 'b' & 'c'
Last Answer : (A) Interface
Description : As the reflux ratio in a distillation column is increased from the minimum, the (A) Slope of the operating line in stripping section decreases (B) Number of plates decreases very slowly first ... decreases and then increases (D) Liquid flow increases while the vapor flow decreases for a system
Last Answer : (C) Total cost first decreases and then increases
Description : The minimum liquid rate to be used in an absorber corresponds to an operating line (A) Of slope = 1 (B) Of slope = 0.1 (C) Tangential to the equilibrium curve (D) None of these
Last Answer : (C) Tangential to the equilibrium curve
Description : For water-ethanol system, the minimum reflux ratio (A) Is computed from the slope of the upper operating line that is tangent to the equilibrium curve (B) Is computed from the intercept of the operating line (C) Cannot be computed (D) Is the optimum reflux ratio
Last Answer : (A) Is computed from the slope of the upper operating line that is tangent to the equilibrium curve
Description : In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalent to a theoretical plate HTUOG = overall gas phase height of a transfer unit). (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B
Last Answer : (C) Both (A) & (B)
Description : Out of two equilibrium curves, first one lies above the diagonal and the second lies below the diagonal in the x-y plot. It means that separation by distillation is (A) Not possible in the second ... (C) More readily done in the second case compared to first one (D) None of these
Last Answer : (C) More readily done in the second case compared to first one
Description : In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. (A) Total (B) Minimum (C) Operating (D) Maximum permissible
Last Answer : (A) Total
Description : case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is (A) More (B) Less (C) Equal (D) Much more
Last Answer : Option C
Description : Choose the wrong statement (A) The center of buoyancy is located at the center of gravity of the displaced liquid (B) For stability of a submerged body, the center of gravity of body must ... the submerged body must lie at neutral equilibrium for all positions (D) All floating bodies are stable
Last Answer : Answer: Option D
Description : 06. A body floating in a liquid is said to be not in equilibrium if its metacentre lies below its centre of gravity. A) Agree B) Disagree
Last Answer : A
Description : A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy. (A) Coincides with (B) Lies below (C) Lies above (D) None of these
Last Answer : Answer: Option B
Description : A body floating in a liquid is said to be in neutral equilibrium, if its metacentre (A) Coincides with its centre of gravity (B) Lies above its centre of gravity C) Lies below its centre of gravity (D) Lies between the centre of buoyancy and centre of gravity
Last Answer : Answer: Option A
Description : H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S ... by, y = 5x + 0.001 is (A) 2.0 (B) 1.56 (C) 1.0
Last Answer : (A) 2.0
Description : If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are: (A) Straight (B) Parallel (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always (A) < 1 (B) > 1 (C) 1 (D) ∞
Last Answer : (A) < 1
Description : In short run a monopolistic competition firm will be in equilibrium where (a) MR = curve intersect SMC curve from above (b) MR curve intersect SMC curve from below (c) MC = AR ; (d) MR curve intersect SMC from below and P is equal to or more than AVC
Last Answer : ; (d) MR curve intersect SMC from below and P is equal to or more than AVC
Description : The conditions for the stable equilibrium of a floating body are (A) The metacentre should lie above the center of gravity (B) The center of buoyancy and the center of gravity must lie on the same vertical line (C) A righting couple should be formed (D) All the above are correct
Description : Natural gasoline is produced (A) From oil wells (B) In oil refineries (C) By natural gas stripping (D) None of these
Last Answer : (C) By natural gas stripping
Description : In gas-liquid contact operation, the number of ideal stages, N = (xa - xb )/(xb - x *b ). This is true when the stripping factor 'S' is (A) S > 1 (B) S < 1 (C) S = 1 (D) S = ∞
Last Answer : (A) S > 1
Description : The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as (A) Evaporation (B) Cavitation (C) Sublimation (D) Stripping
Last Answer : (B) Cavitation
Description : A floating/submerged body is always stable, if its centre of gravity (A) Lies above its centre of buoyancy (B) And centre of buoyancy coincide (C) Lies below its centre of buoyancy (D) Lies above its metacentre
Last Answer : (C) Lies below its centre of buoyancy
Description : Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type (A) Parallel flow with equal heat capacities (B) Counter ... (C) Counter flow with unequal heat capacities (D) Parallel flow with unequal heat capacities
Last Answer : (B) Counter flow with equal heat capacities
Description : Which of the following statements describes what will occur if the motor shown in the illustration is required to carry 150% of full load? EL-0056 A. The primary counter emf will be increased. B. ... slip will decrease. D. The slip value, stator current curve, and torque curve will all coincide.
Last Answer : Answer: B
Description : Select the correct statement. (A) A contour is not necessarily a closed curve. B) A contour represents a ridge line if the concave side of lower value contour lies towards the higher value contour ... each other except in case of an overhanging cliff (D) All of the above statements are correct
Last Answer : (C) Two contours of different elevations do not cross each other except in case of an overhanging clif
Description : For an absorber, both equilibrium and operating line will be straight for (A) Concentrated solution and non-isothermal operation (B) Dilute solution and non-isothermal operation (C) Dilute solution and isothermal operation (D) Concentrated solution and isothermal operation
Last Answer : (C) Dilute solution and isothermal operation
Description : At the point of equilibrium, the slopes of indifference curve and budget line are (a) different (b) equal (c) not measurable (d) increasing
Last Answer : (b) equal
Description : The curve of metacentre for a floating body __________ the curve of buoyancy. (A) Is always below (B) Is the evolute of (C) Intersects at right angle (D) Is tangential to
Last Answer : (B) Is the evolute of
Description : 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 (A) L/G (B) G/L (C) Always < 1 (D) None of these
Last Answer : (A) L/G
Description : Which axis is parallel to the line on which the two points with coordinates (4, 3) and (4,–2) lie? -Maths 9th
Last Answer : Solution :- As x-coordinate of both points is 4. So, both points lie on the line x = 4 which is parallel to y-axis.
Description : Two points with coordinates (3, 4) and (–5, 4) lie on a line parallel to which axis? Justify your answer. -Maths 9th
Last Answer : Solution :- y-coordinate of both the points is 4. So, both points lie on the line y = 4 which is parallel to x-axis.
Description : Dew point of an air-water vapor mixture (A) Decreases with decrease in pressure (B) At constant humidity & total pressure is fixed (C) Corresponding to any point on the humidity chart is obtained by projecting a ... to the temperature axis and to the saturation curve (D) All 'a', 'b' & 'c'
Last Answer : (D) All 'a', 'b' & 'c'
Description : I lie in the earth, and under the ground; A map may reveal me for journey's abound; I can be found in squares, to reduce down to size; Or at the end of a strand, where attachment lies. What am I? -Riddles
Last Answer : Roots
Description : The main hydroelectric power potential of the Indus river system lies in India and not in Pakistan because (a) the need for hydroelectric power is greater in India than the Pakistan (b) India ... greater labour force to develop hydroelectric power (d) the mountain stages of these rivers lie in India
Last Answer : Ans: (d)
Description : Should I tell people that I'm a stripper? Why or why not?
Last Answer : No. Secrets destroy intimacy with all you keep them from. If you really feel okay about your choice to strip then you have nothing to hide. Lying is never good, especially right out of the gate ... job that doesn't involve sexually exploiting yourself for a few bucks. You're better than that right?
Description : How much money would it require for you to be a stripper?
Last Answer : I should qualify this. You’re relatively young, don’t do well in school, and just don’t care about how seedy it is.
Description : 10 coats of old paint on metal pillars - options: chemical stripper, sander or heat gun?
Last Answer : Probably all three…... and then call in the specialists tidy up the mess you made.
Description : Would you date a stripper/exotic dancer ?
Last Answer : Sure, it;s just their job, its not who they are.
Description : If a stripper gets breast implants can she write it off on her taxes as a business expense?
Last Answer : I doubt it.
Description : If you were a stripper/poledancer, what song would you strip/dance to?
Last Answer : I think me poledancing would cause hysteria as well as nausea, but I’ve always thought She Rides by Danzig and You Can Leave Your Hat On by Joe Cocker were the 2 absolute best songs for it.
Description : Would anyone here date a stripper?
Last Answer : answer:I did and at first it was fun. So i thought i could handle it. The more I got into her the more it bothered me. It got to the point were she had to make a decision…me or stripping. Its a slippery slope my friend