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GATE 2022 ME (ME1) – Previous Year Questions with Solutions

All 65 questions of GATE 2022 ME (ME1) with answers and explanations. Read each question, then practise it by topic or as a full paper.

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  1. Question 1 (1 mark, Multiple choice) – After playing hours of tennis, I am feeling tired to walk back.
  2. Question 2 (1 mark, Multiple choice) – The average of the monthly salaries of M, N and S is ₹ 4000. The average of the monthly salaries of N, S and P is ₹ 5000. The monthly salary of P is ₹…
  3. Question 3 (1 mark, Multiple choice) – A person travelled 80 km in 6 hours. If the person travelled the first part with a uniform speed of 10 kmph and the remaining part with a uniform…
  4. Question 4 (1 mark, Multiple choice) – Four girls P, Q, R and S are studying languages in a University. P is learning French and Dutch. Q is learning Chinese and Japanese. R is learning…
  5. Question 5 (1 mark, Multiple choice) – A block with a trapezoidal cross-section is placed over a block with rectangular cross section as shown above. Which one of the following is the…
  6. Question 6 (2 marks, Multiple choice) – Humans are naturally compassionate and honest. In a study using strategically placed wallets that appear "lost", it was found that wallets with money…
  7. Question 7 (2 marks, Multiple choice) – A rhombus is formed by joining the midpoints of the sides of a unit square. What is the diameter of the largest circle that can be inscribed within…
  8. Question 8 (2 marks, Multiple choice) – An equilateral triangle, a square and a circle have equal areas. What is the ratio of the perimeters of the equilateral triangle to square to circle?
  9. Question 9 (2 marks, Multiple choice) – Given below are three conclusions drawn based on the following three statements. Statement 1: All teachers are professors. Statement 2: No professor…
  10. Question 10 (2 marks, Multiple choice) – In a 12-hour clock that runs correctly, how many times do the second, minute, and hour hands of the clock coincide, in a 12-hour duration from 3 PM in…
  11. Question 11 (1 mark, Multiple choice) – The limit p = x (x2 + x + 22x - + 2 x) has a finite value for a real . The value of and the corresponding limit p are
  12. Question 12 (1 mark, Multiple choice) – Solution of 2T = 0 in a square domain (0 < x < 1 and 0 < y < 1) with boundary conditions: T(x, 0) = x; T(0, y) = y; T(x, 1) = 1 + x; T(1, y) = 1 + y…
  13. Question 13 (1 mark, Multiple choice) – Given a function = 12(x2 + y2 + z2) in three-dimensional Cartesian space, the value of the surface integral Sn \,dS, where S is the surface of a…
  14. Question 14 (1 mark, Multiple choice) – The Fourier series expansion of x3 in the interval -1 x < 1 with periodic continuation has
  15. Question 15 (1 mark, Multiple choice) – If A = bmatrix 10 & 2k + 5 \\ 3k - 3 & k + 5 bmatrix is a symmetric matrix, the value of k is .
  16. Question 16 (1 mark, Multiple choice) – A uniform light slender beam AB of section modulus EI is pinned by a frictionless joint A to the ground and supported by a light inextensible cable CB…
  17. Question 17 (1 mark, Multiple choice) – The figure shows a schematic of a simple Watt governor mechanism with the spindle O 1O 2 rotating at an angular velocity about a vertical axis. The…
  18. Question 18 (1 mark, Multiple choice) – A square threaded screw is used to lift a load W by applying a force F. Efficiency of square threaded screw is expressed as
  19. Question 19 (1 mark, Multiple choice) – A CNC worktable is driven in a linear direction by a lead screw connected directly to a stepper motor. The pitch of the lead screw is 5 mm. The…
  20. Question 20 (1 mark, Multiple choice) – The type of fit between a mating shaft of diameter 25.0+0.010 -0.010 mm and a hole of diameter 25.015+0.015 -0.015 mm is .
  21. Question 21 (1 mark, Multiple choice) – In a linear programming problem, if a resource is not fully utilized, the shadow price of that resource is
  22. Question 22 (1 mark, Multiple choice) – Which one of the following is NOT a form of inventory?
  23. Question 23 (1 mark, Multiple choice) – The Clausius inequality holds good for
  24. Question 24 (1 mark, Multiple choice) – A tiny temperature probe is fully immersed in a flowing fluid and is moving with zero relative velocity with respect to the fluid. The velocity field…
  25. Question 25 (1 mark, Multiple choice) – In the following two-dimensional momentum equation for natural convection over a surface immersed in a quiescent fluid at temperature T (g is the…
  26. Question 26 (1 mark, Multiple select) – Assuming the material considered in each statement is homogeneous, isotropic, linear elastic, and the deformations are in the elastic range, which one…
  27. Question 27 (1 mark, Multiple select) – Which of the following heat treatment processes is/are used for surface hardening of steels?
  28. Question 28 (1 mark, Multiple select) – Which of the following additive manufacturing technique(s) can use a wire as a feedstock material?
  29. Question 29 (1 mark, Multiple select) – Which of the following methods can improve the fatigue strength of a circular mild steel (MS) shaft?
  30. Question 30 (1 mark, Multiple select) – The figure shows a purely convergent nozzle with a steady, inviscid compressible flow of an ideal gas with constant thermophysical properties…
  31. Question 31 (1 mark, Numerical answer) – The plane of the figure represents a horizontal plane. A thin rigid rod at rest is pivoted without friction about a fixed vertical axis passing…
  32. Question 32 (1 mark, Numerical answer) – A rigid uniform annular disc is pivoted on a knife edge A in a uniform gravitational field as shown, such that it can execute small amplitude simple…
  33. Question 33 (1 mark, Numerical answer) – Electrochemical machining operations are performed with tungsten as the tool, and copper and aluminum as two different workpiece materials. Properties…
  34. Question 34 (1 mark, Numerical answer) – A polytropic process is carried out from an initial pressure of 110 kPa and volume of 5 m3 to a final volume of 2.5 m3. The polytropic index is given…
  35. Question 35 (1 mark, Numerical answer) – A flat plate made of cast iron is exposed to a solar flux of 600 W/m2 at an ambient temperature of 25 °C. Assume that the entire solar flux is…
  36. Question 36 (2 marks, Multiple choice) – The value of the integral (6z2z4 - 3z3 + 7z2 - 3z + 5)dz evaluated over a counter-clockwise circular contour in the complex plane enclosing only the…
  37. Question 37 (2 marks, Multiple choice) – An L-shaped elastic member ABC with slender arms AB and BC of uniform cross-section is clamped at end A and connected to a pin at end C. The pin…
  38. Question 38 (2 marks, Multiple choice) – A planar four-bar linkage mechanism with 3 revolute kinematic pairs and 1 prismatic kinematic pair is shown in the figure, where AB ⊥ CE and FD ⊥ CE.…
  39. Question 39 (2 marks, Multiple choice) – Consider a forced single degree-of-freedom system governed by x(t) + 2 nx(t) + n2x(t) = n2( t), where and n are the damping ratio and undamped natural…
  40. Question 40 (2 marks, Multiple choice) – A bracket is attached to a vertical column by means of two identical rivets U and V separated by a distance of 2a = 100 mm, as shown in the figure.…
  41. Question 41 (2 marks, Multiple choice) – In Fe-Fe 3C phase diagram, the eutectoid composition is 0.8 weight % of carbon at 725 °C. The maximum solubility of carbon in α-ferrite phase is 0.025…
  42. Question 42 (2 marks, Multiple choice) – Activities A to K are required to complete a project. The time estimates and the immediate predecessors of these activities are given in the table. If…
  43. Question 43 (2 marks, Multiple choice) – A solid spherical bead of lead (uniform density = 11000 kg/m3) of diameter d = 0.1 mm sinks with a constant velocity V in a large stagnant pool of a…
  44. Question 44 (2 marks, Multiple choice) – Consider steady, one-dimensional compressible flow of a gas in a pipe of diameter 1 m. At one location in the pipe, the density and velocity are 1…
  45. Question 45 (2 marks, Multiple choice) – Consider a rod of uniform thermal conductivity whose one end (x = 0) is insulated and the other end (x = L) is exposed to flow of air at temperature T…
  46. Question 46 (2 marks, Multiple select) – The system of linear equations in real (x, y) given by (x\ \ y)bmatrix 2 & 5 - 2 \\ & 1 bmatrix = (0\ \ 0) involves a real parameter and has…
  47. Question 47 (2 marks, Numerical answer) – Let a random variable X follow Poisson distribution such that Prob(X = 1) = Prob(X = 2). The value of Prob(X = 3) is (round off to 2 decimal places).
  48. Question 48 (2 marks, Numerical answer) – Consider two vectors: a = 5i + 7j + 2k, b = 3i - j + 6k Magnitude of the component of a orthogonal to b in the plane containing the vectors a and b is…
  49. Question 49 (2 marks, Numerical answer) – A structure, along with the loads applied on it, is shown in the figure. Self-weight of all the members is negligible and all the pin joints are…
  50. Question 50 (2 marks, Numerical answer) – Two rigid massless rods PR and RQ are joined at frictionless pin-joint R and are resting on ground at P and Q, respectively, as shown in the figure. A…
  51. Question 51 (2 marks, Numerical answer) – A cylindrical disc of mass m = 1 kg and radius r = 0.15 m was spinning at = 5 rad/s when it was placed on a flat horizontal surface and released…
  52. Question 52 (2 marks, Numerical answer) – A thin-walled cylindrical pressure vessel has mean wall thickness of t and nominal radius of r. The Poisson's ratio of the wall material is 1/3. When…
  53. Question 53 (2 marks, Numerical answer) – A schematic of an epicyclic gear train is shown in the figure. The sun (gear 1) and planet (gear 2) are external, and the ring gear (gear 3) is…
  54. Question 54 (2 marks, Numerical answer) – Under orthogonal cutting condition, a turning operation is carried out on a metallic workpiece at a cutting speed of 4 m/s. The orthogonal rake angle…
  55. Question 55 (2 marks, Numerical answer) – A 1 mm thick cylindrical tube, 100 mm in diameter, is orthogonally turned such that the entire wall thickness of the tube is cut in a single pass. The…
  56. Question 56 (2 marks, Numerical answer) – A 4 mm thick aluminum sheet of width w = 100 mm is rolled in a two-roll mill of roll diameter 200 mm each. The workpiece is lubricated with a mineral…
  57. Question 57 (2 marks, Numerical answer) – Two mild steel plates of similar thickness, in butt-joint configuration, are welded by gas tungsten arc welding process using the following welding…
  58. Question 58 (2 marks, Numerical answer) – An assignment problem is solved to minimize the total processing time of four jobs (1, 2, 3 and 4) on four different machines such that each job is…
  59. Question 59 (2 marks, Numerical answer) – The product structure diagram shows the number of different components required at each level to produce one unit of the final product P. If there are…
  60. Question 60 (2 marks, Numerical answer) – Consider a one-dimensional steady heat conduction process through a solid slab of thickness 0.1 m. The higher temperature side A has a surface…
  61. Question 61 (2 marks, Numerical answer) – In a steam power plant based on Rankine cycle, steam is initially expanded in a high-pressure turbine. The steam is then reheated in a reheater and…
  62. Question 62 (2 marks, Numerical answer) – An engine running on an air standard Otto cycle has a displacement volume 250 cm3 and a clearance volume 35.7 cm3. The pressure and temperature at the…
  63. Question 63 (2 marks, Numerical answer) – A steady two-dimensional flow field is specified by the stream function = kx3y, where x and y are in meter and the constant k = 1 m-2s-1. The…
  64. Question 64 (2 marks, Numerical answer) – Consider a solid slab (thermal conductivity, k = 10 W m-1K-1) with thickness 0.2 m and of infinite extent in the other two directions as shown in the…
  65. Question 65 (2 marks, Numerical answer) – During open-heart surgery, a patient's blood is cooled down to 25 °C from 37 °C using a concentric tube counter-flow heat exchanger. Water enters the…