GATE 2026 MT – Previous Year Questions with Solutions
All 65 questions of GATE 2026 MT with answers and explanations. Read each question, then practise it by topic or as a full paper.
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- Question 1 – ‘The team more than 300 runs in 20 overs rains. However, some players needed to improve their batting skills.’ Choose the option with the correct…
- Question 2 – If a positive real number x satisfies 2x+ 2x=48, then the value of x is .
- Question 3 – The next figure, indicated by “?”, in the sequence is . Rows are counted from top to bottom and columns from left to right in each 4-row, 3-column…
- Question 4 – ‘All the mangoes in the basket are good.’ If the above statement is false, then which one of the following statements is necessarily true?
- Question 5 – Consider the following statements about four numbers: (S1) The average of the four numbers is 25. (S2) Each number is at most 40. (S3) Each number is…
- Question 6 – ‘People are crowding around pit into which elephant has fallen. I have never seen an elephant looking more bewildered miserable. Here it is in a most…
- Question 7 – The unit selling prices of products P, Q, R, S, and T are listed below. On a particular day, 250 items were sold with an average selling price of Rs.…
- Question 8 – A string P of length l is laid out as a straight-line segment. Another string K is laid out as a semicircular arc with string P as its diameter, as…
- Question 9 – The Roman senator Meritorius, his brother, his son, and his daughter have varying oratory skill levels. They occupy a seating arrangement with two…
- Question 10 – Which one of the patterns labeled P, Q, R, and S is used to generate the figure shown above them?
- Question 11 – Given f(t)=e-at, where a is a constant, its Laplace transform is L[f(t)]=F(s). Which one of the following options is correct?
- Question 12 – Select the correct pair of eigenvectors for the symmetric matrix A=bmatrix1&2\\2&4bmatrix.
- Question 13 – Given w=f(ax+by), where a and b are constants, the value of b w x-a w y is .
- Question 14 – Which one of the following fusion-welding techniques results in the least heat-affected zone (HAZ)?
- Question 15 – During metallography, Nital is the most commonly used for etching .
- Question 16 – Which one of the following options is correct? In a face-centered cubic metal, Shockley partial is:
- Question 17 – Deformation mechanism map of a given material is used for determining which one of the following properties?
- Question 18 – Which of the following dislocation dissociation reactions is feasible in face-centered cubic metals?
- Question 19 – Which one of the following options is correct? For Al - 4 % Ag alloy (composition in atom %), the correct sequence of operations involved in…
- Question 20 – Which one of the following is NOT a state function?
- Question 21 – For a regular solution, which one of the following statements is correct? Here H mix is the enthalpy of mixing and S mix is the entropy of mixing.
- Question 22 – Which one of the following options is correct? In a binary alloy system, during spinodal decomposition, uphill diffusion occurs:
- Question 23 – In an Al–4 wt.% Cu alloy during isothermal aging, the correct precipitation sequence is .
- Question 24 – Which one of the following options is correct? After cold-working of a metallic specimen, during the recovery stage, its electrical conductivity:
- Question 25 – Which one of the following options is correct? Red mud is generated in the production of:
- Question 26 – Residual stress present in a material can be determined by which one of the following techniques:
- Question 27 – Which one of the following options is correct? In a convective heat transfer for laminar flow over a flat plate, Nusselt number is a function of…
- Question 28 – Which one of the following options is correct? For a solid immersed in a fluid, the convective heat transfer coefficient across the solid-fluid…
- Question 29 – Ergun equation is NOT applied in which one of the following unit operations to analyze gas flow behavior:
- Question 30 – Choose the correct option(s). Here ‘A’ is the Helmholtz free energy and ‘G’ is the Gibbs free energy.
- Question 31 – Which of the following elements, when present in iron, enhance(s) its corrosion resistance?
- Question 32 – The value of the scalar triple product a( b c) is . (Answer in integer.) Here a=2 i-3 j+4 k, b= i+2 j-3 k, and c=3 i+4 j- k, where i, j, k are…
- Question 33 – A box contains 20 thermometers, 3 of which are defective. One person randomly draws 2 thermometers from the box, one-by-one, without replacement. The…
- Question 34 – For an equilibrium phase diagram of a binary A-B alloy at a constant pressure as shown in the figure, the degree of freedom at ‘X’ is (answer in…
- Question 35 – Two parallel plates with a Newtonian incompressible liquid between them are 2 mm apart. The upper plate is stationary and the lower plate moves with a…
- Question 36 – Match the crystal systems in Column I with the corresponding axial lengths and interaxial angles in Column II. Column I: (P) Tetragonal (Q)…
- Question 37 – Match the concepts in Column I with the associated terms in Column II. Column I: (P) Paris law (Q) Schmid factor (R) Larson–Miller parameter (S)…
- Question 38 – Match the defects in Column I with the corresponding metal-manufacturing processes in Column II. Column I: (P) Edge cracking (Q) Flashline cracking…
- Question 39 – Match the descriptions in Column I with the corresponding nondestructive testing methods in Column II. Column I: (P) Internal flaws in railroad wheel…
- Question 40 – The equation below represents steady-state laminar flow of a fluid through a horizontal tube: 1rddr(rdv zdr)-dPdz=0. Here P is fluid pressure, is…
- Question 41 – Match the unit operations in Column I with the resulting products in Column II. Column I: (P) COREX process (Q) Bayer process (R) Matte smelting (S)…
- Question 42 – Match the terms in Column I with the corresponding attributes in Column II. Column I: (P) Wiedemann–Franz law (Q) Néel temperature (R) Hall voltage…
- Question 43 – Choose the correct option(s). Permeability of a porous bed made of spherical particles is/are:
- Question 44 – Consider a distribution with probability density f(x)=cases0.5,&0<x<2,\\0,&otherwise.cases Given that its mean is 1, the variance is . (Rounded off to…
- Question 45 – Taking the number of intervals as n=3, the value of 00.3e-x2\,dx using the trapezoidal method is . (Rounded off to two decimal places.)
- Question 46 – The solution of 10x2d2ydx2-20xdydx+22.4y=0 is y=c 1xm 1+c 2xm 2, where m 1 m 2. The value of m 1+m 2 is . (Answer in integer.)
- Question 47 – Iron powder is compacted at room temperature to 75% of its theoretical density. The as-pressed iron compact is sintered in inert-gas atmosphere at…
- Question 48 – An alloy of composition W–20 wt.% Ni is prepared by mixing elemental powders. The mixture is liquid-phase sintered at 1550 C for 1 hour. The resulting…
- Question 49 – A metal with body-centered cubic structure is analyzed by X-ray diffraction using monochromatic X-rays of wavelength 0.154 nm. The diffraction angle 2…
- Question 50 – A cylindrical copper single crystal of diameter 10 mm is deformed under a uniaxial tensile load of 2200 N. The angle between the slip-plane normal and…
- Question 51 – For plane-strain fracture-toughness testing of maraging steel, the minimum thickness to achieve valid K Ic is mm. (Answer in integer.) Given K Ic=90\…
- Question 52 – The lattice parameter of face-centered cubic Ni is 0.35 nm and its shear modulus is 76 GPa. The strain energy per unit length of a screw dislocation…
- Question 53 – 20 g of gold (Au) and 20 g of silver (Ag) are mixed to form a single-phase solid solution (assume ideal mixing). The atomic weight of Au is 197 g/mol…
- Question 54 – 2 moles of an ideal gas is reversibly expanded from 10 liter to 20 liter at isothermal condition. The value of universal gas constant R is 8.314…
- Question 55 – The constant-pressure molar heat capacity of a solid metal is C p=20+(510-3)T\ J/(mol\,K) for 298 T1000\ K. At constant pressure, the temperature of 2…
- Question 56 – With reference to the Ellingham diagram, the standard Gibbs free-energy changes for oxidation of solid and liquid metal M are: Reaction I: M(s)+O 2(g)…
- Question 57 – A volume of liquid is undercooled just below its melting temperature to form a spherical solid nucleus by homogeneous nucleation. The Gibbs free…
- Question 58 – A 50 mm flat aluminium plate is reduced in thickness to 25 mm in a single pass cold-rolling operation with the rolling diameter of 1250 mm. For this…
- Question 59 – A cylindrical furnace has an inner diameter of 0.1 m and height of 0.2 m. Its inner cylindrical wall A 1 and inner bottom A 2 are maintained at 1873…
- Question 60 – During carburizing of steel, the surface concentration is maintained at 1.4 wt.% carbon. The carbon diffusivity at 950 C is 6.2510-11\ m2/s. At this…
- Question 61 – For the reaction between methane and stoichiometric air containing 20 vol.% O 2 and 80 vol.% N 2, the estimated adiabatic flame temperature is K.…
- Question 62 – A copper ore contains 30 wt.% chalcopyrite (CuFeS 2) and the remaining gangue has no copper. The copper content of the ore is wt.%. (Rounded off to…
- Question 63 – A blast furnace produces hot metal containing 4 wt.% C, 1.5 wt.% Si, and the rest Fe. The only iron input is ore containing 85 wt.% Fe 2O 3 and 15…
- Question 64 – Al 2O 3 can be electrolyzed with an inert or a carbon anode. The overall reactions are: I, inert anode: 23Al 2O 3(s)43Al(l)+O 2(g), with G…
- Question 65 – Given the scalar field (x,y,z)=x2-yz, the magnitude of a vector in the direction of the most rapid increase of at P=(3,4,1) is . (Rounded off to two…