The GATE Grind

GATE 2023 CE (CE1) – Previous Year Questions with Solutions

All 65 questions of GATE 2023 CE (CE1) with answers and explanations. Read each question, then practise it by topic or as a full paper.

Practise this paper in The GATE Grind →

  1. Question 1 (1 mark, Multiple choice) – "I have not yet decided what I will do this evening; I visit a friend."
  2. Question 2 (1 mark, Multiple choice) – Eject : Insert : : Advance : (By word meaning)
  3. Question 3 (1 mark, Multiple choice) – In the given figure, PQRSTV is a regular hexagon with each side of length 5 cm. A circle is drawn with its centre at V such that it passes through P.…
  4. Question 4 (1 mark, Multiple choice) – A duck named Donald Duck says "All ducks always lie." Based only on the information above, which one of the following statements can be logically…
  5. Question 5 (1 mark, Multiple choice) – A line of symmetry is defined as a line that divides a figure into two parts in a way such that each part is a mirror image of the other part about…
  6. Question 6 (2 marks, Multiple choice) – Based only on the truth of the statement 'Some humans are intelligent', which one of the following options can be logically inferred with certainty?
  7. Question 7 (2 marks, Multiple choice) – Which one of the options can be inferred about the mean, median, and mode for the given probability distribution (i.e. probability mass function),…
  8. Question 8 (2 marks, Multiple choice) – The James Webb telescope, recently launched in space, is giving humankind unprecedented access to the depths of time by imaging very old stars formed…
  9. Question 9 (2 marks, Multiple choice) – Let a = 30!, b = 50!, and c = 100!. Consider the following numbers: a c, c a, b a, a b Which one of the following inequalities is CORRECT?
  10. Question 10 (2 marks, Multiple choice) – A square of side length 4 cm is given. The boundary of the shaded region is defined by one semi-circle on the top and two circular arcs at the bottom,…
  11. Question 11 (1 mark, Multiple choice) – For the integral I = -111x2dx which of the following statements is TRUE?
  12. Question 12 (1 mark, Multiple choice) – A hanger is made of two bars of different sizes. Each bar has a square cross-section. The hanger is loaded by three-point loads in the mid vertical…
  13. Question 13 (1 mark, Multiple choice) – Creep of concrete under compression is defined as the .
  14. Question 14 (1 mark, Multiple choice) – A singly reinforced concrete beam of balanced section is made of M20 grade concrete and Fe415 grade steel bars. The magnitudes of the maximum…
  15. Question 15 (1 mark, Multiple choice) – In cement concrete mix design, with the increase in water-cement ratio, which one of the following statements is TRUE?
  16. Question 16 (1 mark, Multiple choice) – The specific gravity of a soil is 2.60. The soil is at 50% degree of saturation with a water content of 15%. The void ratio of the soil is .
  17. Question 17 (1 mark, Multiple choice) – A group of 9 friction piles are arranged in a square grid maintaining equal spacing in all directions. Each pile is of diameter 300 mm and length 7 m.…
  18. Question 18 (1 mark, Multiple choice) – A possible slope failure is shown in the figure. Three soil samples are taken from different locations (I, II and III) of the potential failure plane.…
  19. Question 19 (1 mark, Multiple choice) – When a supercritical stream enters a mild-sloped (M) channel section, the type of flow profile would become .
  20. Question 20 (1 mark, Multiple choice) – Which one of the following statements is TRUE for Greenhouse Gas (GHG) in the atmosphere?
  21. Question 21 (1 mark, Multiple choice) – G 1 and G 2 are the slopes of the approach and departure grades of a vertical curve, respectively. Given G 1 < G 2 and G 1 G 2 0 Statement 1: +G 1…
  22. Question 22 (1 mark, Multiple choice) – The direct and reversed zenith angles observed by a theodolite are 56° 00' 00" and 303° 00' 00", respectively. What is the vertical collimation…
  23. Question 23 (1 mark, Multiple choice) – A student is scanning his 10 inch × 10 inch certificate at 600 dots per inch (dpi) to convert it to raster. What is the percentage reduction in number…
  24. Question 24 (1 mark, Multiple select) – If M is an arbitrary real n n matrix, then which of the following matrices will have non-negative eigenvalues?
  25. Question 25 (1 mark, Multiple select) – The following function is defined over the interval [-L, L]: f(x) = px4 + qx5. If it is expressed as a Fourier series, f(x) = a 0 + n=1\a n(n xL) + b…
  26. Question 26 (1 mark, Multiple select) – Consider the following three structures: [Figure: Structure I is a beam A-B-C-D-E with four equal spans L. A is a hinge support, C is a roller, E is a…
  27. Question 27 (1 mark, Multiple select) – Identify the waterborne diseases caused by viral pathogens:
  28. Question 28 (1 mark, Multiple select) – Which of the following statements is/are TRUE for the Refuse-Derived Fuel (RDF) in the context of Municipal Solid Waste (MSW) management?
  29. Question 29 (1 mark, Numerical answer) – The probabilities of occurrences of two independent events A and B are 0.5 and 0.8, respectively. What is the probability of occurrence of at least A…
  30. Question 30 (1 mark, Numerical answer) – In the differential equation dydx + xy = 0, is a positive constant. If y = 1.0 at x = 0.0, and y = 0.8 at x = 1.0, the value of is (rounded off to…
  31. Question 31 (1 mark, Numerical answer) – Consider the fillet-welded lap joint shown in the figure (not to scale). The length of the weld shown is the effective length. The welded surfaces…
  32. Question 32 (1 mark, Numerical answer) – A drained direct shear test was carried out on a sandy soil. Under a normal stress of 50 kPa, the test specimen failed at a shear stress of 35 kPa.…
  33. Question 33 (1 mark, Numerical answer) – A canal supplies water to an area growing wheat over 100 hectares. The duration between the first and last watering is 120 days, and the total depth…
  34. Question 34 (1 mark, Numerical answer) – The ordinates of a one-hour unit hydrograph for a catchment are given below. t (hour) 0 1 2 3 4 5 6 7 --- --- --- --- --- --- --- --- --- Q (m3/s) 0 9…
  35. Question 35 (1 mark, Numerical answer) – For a horizontal curve, the radius of a circular curve is obtained as 300 m with the design speed as 15 m/s. If the allowable jerk is 0.75 m/s3, what…
  36. Question 36 (2 marks, Multiple choice) – A function f(x), that is smooth and convex-shaped between interval (x l, x u) is shown in the figure. This function is observed at odd number of…
  37. Question 37 (2 marks, Multiple choice) – Consider a doubly reinforced RCC beam with the option of using either Fe250 plain bars or Fe500 deformed bars in the compression zone. The modulus of…
  38. Question 38 (2 marks, Multiple choice) – Consider the horizontal axis passing through the centroid of the steel beam cross-section shown in the figure. What is the shape factor (rounded off…
  39. Question 39 (2 marks, Multiple choice) – Consider the pin-jointed truss shown in the figure (not to scale). All members have the same axial rigidity, AE. Members QR, RS, and ST have the same…
  40. Question 40 (2 marks, Multiple choice) – With reference to the compaction test conducted on soils, which of the following is INCORRECT?
  41. Question 41 (2 marks, Multiple choice) – Consider that a force P is acting on the surface of a half-space (Boussinesq's problem). The expression for the vertical stress ( z) at any point (r,…
  42. Question 42 (2 marks, Multiple choice) – A square footing of size 2.5 m × 2.5 m is placed 1.0 m below the ground surface on a cohesionless homogeneous soil stratum. Considering that the…
  43. Question 43 (2 marks, Multiple choice) – A very wide rectangular channel carries a discharge (Q) of 70 m3/s per meter width. Its bed slope changes from 0.0001 to 0.0009 at a point P, as shown…
  44. Question 44 (2 marks, Multiple choice) – A jet of water having a velocity of 20 m/s strikes a series of plates fixed radially on a wheel revolving in the same direction as the jet at 15 m/s.…
  45. Question 45 (2 marks, Multiple choice) – In the following table, identify the correct set of associations between the entries in Column-1 and Column-2. Column-1 Column-2 --- --- P: Reverse…
  46. Question 46 (2 marks, Multiple choice) – A plot of speed-density relationship (linear) of two roads (Road A and Road B) is shown in the figure. [Figure: speed against density. Road A is a…
  47. Question 47 (2 marks, Multiple select) – For the matrix [A] = bmatrix 1 & 2 & 3 \\ 3 & 2 & 1 \\ 3 & 1 & 2 bmatrix which of the following statements is/are TRUE?
  48. Question 48 (2 marks, Multiple select) – For the function f(x) = ex x ; x R, which of the following statements is/are TRUE?
  49. Question 49 (2 marks, Multiple select) – Consider the beam shown in the figure (not to scale), on a hinge support at end A and a roller support at end B. The beam has a constant flexural…
  50. Question 50 (2 marks, Multiple select) – Which of the following statements is/are TRUE in relation to the Maximum Mixing Depth (or Height) 'D max' in the atmosphere?
  51. Question 51 (2 marks, Multiple select) – Which of the following options match the test reporting conventions with the given material tests in the table? Test reporting convention Material…
  52. Question 52 (2 marks, Numerical answer) – The differential equation, dudt + 2tu2 = 1, is solved by employing a backward difference scheme within the finite difference framework. The value of u…
  53. Question 53 (2 marks, Numerical answer) – The infinitesimal element shown in the figure (not to scale) represents the state of stress at a point in a body. What is the magnitude of the maximum…
  54. Question 54 (2 marks, Numerical answer) – An idealised bridge truss is shown in the figure. The force in Member U 2L 3 is kN (round off to one decimal place).
  55. Question 55 (2 marks, Numerical answer) – The cross-section of a girder is shown in the figure (not to scale). The section is symmetric about a vertical axis (Y-Y). The moment of inertia of…
  56. Question 56 (2 marks, Numerical answer) – A soil having the average properties, bulk unit weight = 19 kN/m3; angle of internal friction = 25° and cohesion = 15 kPa, is being formed on a rock…
  57. Question 57 (2 marks, Numerical answer) – A smooth vertical retaining wall supporting layered soils is shown in figure. According to Rankine's earth pressure theory, the lateral active earth…
  58. Question 58 (2 marks, Numerical answer) – A vertical trench is excavated in a clayey soil deposit having a surcharge load of 30 kPa. A fluid of unit weight 12 kN/m3 is poured in the trench to…
  59. Question 59 (2 marks, Numerical answer) – A 12-hour storm occurs over a catchment and results in a direct runoff depth of 100 mm. The time-distribution of the rainfall intensity is shown in…
  60. Question 60 (2 marks, Numerical answer) – A hydraulic jump occurs in a 1.0 m wide horizontal, frictionless, rectangular channel, with a pre-jump depth of 0.2 m and a post-jump depth of 1.0 m.…
  61. Question 61 (2 marks, Numerical answer) – In Horton's equation fitted to the infiltration data for a soil, the initial infiltration capacity is 10 mm/h; final infiltration capacity is 5 mm/h;…
  62. Question 62 (2 marks, Numerical answer) – The composition and energy content of a representative solid waste sample are given in the table. If the moisture content of the waste is 26%, the…
  63. Question 63 (2 marks, Numerical answer) – A flocculator tank has a volume of 2800 m3. The temperature of water in the tank is 15°C, and the average velocity gradient maintained in the tank is…
  64. Question 64 (2 marks, Numerical answer) – The wastewater inflow to an activated sludge plant is 0.5 m3/s, and the plant is to be operated with a food to microorganism ratio of 0.2 mg/mg-d. The…
  65. Question 65 (2 marks, Numerical answer) – Trigonometric levelling was carried out from two stations P and Q to find the reduced level (R. L.) of the top of hillock, as shown in the table. The…