Description : Adsorption of a gas on a surface follows Freundlich adsorption isotherm. Plot of `"log " (x)/(m)` versus log P gives a straight line with slope equal
Last Answer : Adsorption of a gas on a surface follows Freundlich adsorption isotherm. Plot of `"log " (x ... of pressure. D. Adsorption is independent of pressure.
Description : 'Six-tenth factor' rule is used for estimating the (A) Equipment installation cost (B) Equipment cost by scaling (C) Cost of piping (D) Utilities cost
Last Answer : (B) Equipment cost by scaling
Description : According to six-tenths-factor rule, if the cost of a given unit at one capacity is known, then the cost of similar unit with '' times the capacity of the first unit is approximately equal to __________ times the cost of the initial unit. (A) n (B) n0.6 (C) n0.4 (D) √n
Last Answer : (B) n0.6
Description : For the free settling of a spherical particle through a fluid, the slope of, CD-log NRe , plot is (A) 1 (B) -1 (C) 0.5 (D) -0.5
Last Answer : (B) -1
Description : From Arrhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is (A) k cal (B) k cal/°K (C) °K (D) k cal. °K
Last Answer : (C) °K
Description : If x gram of gas is adsobed by m gram of adsorbent at pressure P the plot of log `(x)/(m)` versus log P is linear .the slope of the plot is : (n and k
Last Answer : If x gram of gas is adsobed by m gram of adsorbent at pressure P the plot of log `(x)/(m)` versus log P is linear ... 2 k` B. log k C. n D. `(1)/(n)`
Description : Pick out the wrong statement. (A) Cumulative analysis for determining surface area is preferred over differential analysis, because of the assumption that "all particles in a simple fraction equal in size" is ... throwing of the balls through the air to the toe of the heap is called 'cataracting'
Last Answer : (C) Capacity of crusher in choke feeding is increased
Description : Bode diagram is a plot of (A) log (AR) vs. log (f) and (φ) vs. log (f) (B) log (AR) vs. f and log φ vs. f (C) AR vs. log (f) and φ vs. log (f) (D) None of these
Last Answer : (A) log (AR) vs. log (f) and (φ) vs. log (f)
Description : Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature). (A) log P vs. T (B) log P vs. log T (C) T vs. P (D) P vs. log T
Last Answer : (A) log P vs. T
Description : A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for __________ flow of filtrate. (A) Compressible cakes and laminar (B) Incompressible cake and laminar (C) Compressible cake and turbulent (D) Incompressible cake and turbulent
Last Answer : (B) Incompressible cake and laminar
Description : The original cost of an equipment is Rs.10,000. Its salvage value at the end of its total useful life of five years is Rs. 1,000. Its book value at the end of two years of its useful life (as per straight line method of evaluation ... be (A) Rs. 8,800 (B) Rs. 7,600 (C) Rs. 6,400 (D) Rs. 5,000
Last Answer : (C) Rs. 6,400
Description : Pick out the wrong statement. (A) Visible radiation provides the necessary activation energy in photochemical reactions (B) The order and molecularity of a complex reaction may not be the same (C) For ... rate constant (k) (D) Molecularity of the reaction is always a whole number greater than zero
Last Answer : (B) The order and molecularity of a complex reaction may not be the same
Description : It consists of a number of dipoles of equal size, equally spaced along a straight line with all dipoles fed in the same phase from the same source. A. Log-periodic antenna B. Yagi antenna C. End-fire array D. Broadside array
Last Answer : D. Broadside array
Description : For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` (where temperature is in K) curve is obtained as given. Which of the f
Last Answer : For the reaction `2CI F_(3)(g) harr CI_(2)(g) +3F_(2)(g) log K_(eq) vs (1)/(T)` ( ... catalyst at equilibrium D. Removal of `F_(2)(g)` at equilibrium
Description : A graph between __________ is called Wilson plot. (A) (1/U) Vs. (1/v 0.8 ) (B) (1/v 0.8 ) Vs. U (C) v 0.8 Vs . U (D) (1/U) Vs. (1/V)
Last Answer : (A) (1/U) Vs. (1/v 0.8 )
Description : Pick out the wrong statement. (A) A refrigeration cycle violates the second law of thermodynamics (B) Refrigeration cycle is normally represented by a temperature vs. entropy plot (C) In a refrigerator, ... (D) One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW
Last Answer : (A) A refrigeration cycle violates the second law of thermodynamics
Description : Which of the following represents the plot of filtrate volume versus time for constant pressure filtration? (A) Parabola (B) Straight line (C) Hyperbola (D) Exponential curve
Last Answer : (A) Parabola
Description : A hot liquid is kept in a big room. The logarithm of the numerical valueof the temperature difference between the liquid and the room is plotted against time. The plot will be very nearly a/an (A) Ellipse (B) Straight line (C) Parabola (D) Circular arc
Last Answer : (B) Straight line
Description : Pick out the correct statement. (A) Human blood is a Newtonian fluid (B) A Newtonian fluid obeys Newton's law of cooling (C) For a non-Newtonian fluid, a straight line passes through the origin in a plot between shear stress and shear gradien
Last Answer : (B) A Newtonian fluid obeys Newton's law of cooling
Description : For a zero order chemical reaction, the (A) Half life period is directly proportion to the initial concentration of the reactants (B) Plot of products concentration with time is a straight line through the origin (C) Products concentration increases linearly with time (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : If we get a straight line with positive slope then its acceleration is A. increasing B. decreasing C. zero D. constant
Last Answer : constant
Description : In the plot of Z(compressibility factor) vs P, Z attains a value of unity at a certain pressure. What does this signify?
Last Answer : Ans. It implies that at this value of pressure attractive and repulsive forces balance each other. Below this pressure attraction dominates and Z < 1. Above this pressure repulsion dominates and Z > 1.
Description : When a graph is plotted between log x/m and log p, it is straight line with an angle `45^(@)` and intercept 0.3010 on y - axis. If initial pressure is
Last Answer : When a graph is plotted between log x/m and log p, it is straight line with an angle `45 ... adsorbent : (Report your answer after multiplying by 10)
Description : A particle starts from rest and moves in a straight line whose equation of motion is given by S = 2t3 - t2 - 1. The acceleration of the particle after one sec will be a.6 m/sec2 b.4 m/sec2 c.12 m/sec2 d.10 m/sec2 e.8 m/sec2
Last Answer : d. 10 m/sec2
Description : A line through the origin intersects the parabola `5y=2x^(2)-9x+10` at two points whose x-coordinates add up to 17. Then the slope of the line is ____
Last Answer : A line through the origin intersects the parabola `5y=2x^(2)-9x+10` at two points whose x- ... 17. Then the slope of the line is __________ .
Description : If the slope of a line for infiltration capacity curve is 1/1.737, the value of constant k in Horton's equation of infiltration capacity curve, is (A) 2.0 (B) 2.5 (C) 4.0 (D) 5.0
Last Answer : Answer: Option C
Description : The concentration of (H+) ions is 4 x 10-5in a solution. Then pH of the solution will be (Given log 4 = 0.6) (A) 4.4 (B) 5.6 (C) 8.4 (D) 2.4
Last Answer : (A) 4.4
Description : The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to (A) Load factor (B) Plant factor (C) Utilisation factor (D) Both (A) and (B)
Last Answer : Answer: Option D
Description : What is the slope of a line parallel to the line whose equation is 2x+y=62x+y=6. Fully reduce your answer.?
Last Answer : 44811
Description : For a linear plot of log(x/m) versus log p in a Freundlich adsorption isotherm, which of the following statements is correct ? (k and n are constants)
Last Answer : For a linear plot of log(x/m) versus log p in a Freundlich adsorption isotherm, which of the following ... Both k and 1/n appear in the slope term.
Description : The length of the code-word obtained by encoding quantized sample is equal to a) l=log(to the base 2)L b) l=log(to the base 10)L c) l=2log(to the base 2)L d) l=log(to the base 2)L/2
Last Answer : a) l=log(to the base 2)L
Description : Pick up the correct statement from the following: (A) The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement (B) The safe bearing capacity ... of safety (C) The factor of safety for piles is taken as 6 (D) All the above
Description : The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line? (A) XA Vs . τ (B) XA Vs ln τ (C) XA /(1 - XA )Vs τ (D) XA (1 - XA )Vs τ
Last Answer : (A) XA Vs . τ
Description : In a distance vs time graph what will the slope of the line tell you?
Last Answer : Need answer
Description : A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The ... will be (A) 20 kg/tonne (B) 30 kg/tonne (C) 40 kg/tonne (D) 50 kg/tonne
Last Answer : (C) 40 kg/tonne
Description : Depreciation (A) Costs (on annual basis) are constant when the straight line method is used for its determination (B) Is the unavoidable loss in the value of the plant, equipment and materials with lapse in time ... income tax liability on cash flows from an investment (D) All (A), (B) and (C)
Description : In a frequency-domain plot, thehorizontal axis measures the________. A) peak amplitude B) frequency C) phase D) slope
Last Answer : frequency
Description : Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because (A) Convection becomes important (B) Conduction becomes important (C) Radiation becomes important (D) Sub-cooled boiling occurs
Last Answer : (C) Radiation becomes important
Description : Mollier diagram is a plot of (A) Temperature vs. enthalpy (B) Temperature vs. enthalpy (C) Entropy vs. enthalpy (D) Temperature vs. internal energy
Last Answer : (C) Entropy vs. enthalpy
Description : ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is (A) 90° (B) 120° (C) 210° (D) 270°
Last Answer : (C) 210°
Description : Which of the following methods of depreciation calculations results in book values greater than those obtained with straight line method? (A) Multiple straight line method (B) Sinking fund method (C) Declining balance method (D) Sum of the years digit method
Last Answer : (B) Sinking fund method
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 : 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 : A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a: A. Physiological antagonist B. Competitive antagonist C. Noncompetitive antagonist D. Partial agonist
Last Answer : C. Noncompetitive antagonist
Description : A machine costs Rs. 20000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be (A) Rs. 1740 (B) Rs. 3480 (C) Rs. 5220 (D) Rs. 6960
Last Answer : (B) Rs. 3480
Description : What is the slope of the line passing through (6 -3) and (8 0).?
Last Answer : Points: (6, -3) and (8, 0)Slope: 3/2
Description : Pick out the wrong statement. (A) Use of different catalysts in a reversible catalytic chemical reaction does not change the equilibrium composition (B) Alumina is added as a promoter to ... Arrhenius plot (D) Presence of inerts affects the equilibrium conversion of reactants in a chemical reaction
Last Answer : (C) Activation energy for a reaction is obtained from the intercept of the Arrhenius plot
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 : . The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line). (A) L/mG (B) G/mL (C) mL/G (D) LG/m
Last Answer : (A) L/mG