GATE 2025 CE (CE1) – Previous Year Questions with Solutions
All 65 questions of GATE 2025 CE (CE1) with answers and explanations. Read each question, then practise it by topic or as a full paper.
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- Question 1 – Is there any good show television tonight? Select the most appropriate option to complete the above sentence.
- Question 2 – As the police officer was found guilty of embezzlement, he was dismissed from the service in accordance with the Service Rules. Select the most…
- Question 3 – The sum of the following infinite series is: 11! + 12! + 13! + 14! + 15! +
- Question 4 – A thin wire is used to construct all the edges of a cube of 1 m side by bending, cutting and soldering the wire. If the wire is 12 m long, what is the…
- Question 5 – The figures I, II and III are parts of a sequence. Which one of the following options comes next in the sequence at IV?
- Question 6 – "Why do they pull down and do away with crooked streets, I wonder, which are my delight, and hurt no man living? Every day the wealthier nations are…
- Question 7 – Rohit goes to a restaurant for lunch at about 1 PM. When he enters the restaurant, he notices that the hour and minute hands on the wall clock are…
- Question 8 – A color model is shown in the figure with color codes: Yellow (Y), Magenta (M), Cyan (Cy), Red (R), Blue (Bl), Green (G), and Black (K). Which one of…
- Question 9 – A circle with center at (x, y) = (0.5, 0) and radius = 0.5 intersects with another circle with center at (x, y) = (1, 1) and radius = 1 at two points.…
- Question 10 – An object is said to have an n-fold rotational symmetry if the object, rotated by an angle of 2n, is identical to the original. Which one of the…
- Question 11 – Suppose is an eigenvalue of matrix A and x is the corresponding eigenvector. Let x also be an eigenvector of the matrix B = A - 2I, where I is the…
- Question 12 – Let A = bmatrix 1 & 1 \\ 1 & 3 \\ -2 & -3 bmatrix and b = bmatrix b 1 \\ b 2 \\ b 3 bmatrix. For Ax = b to be solvable, which one of the following…
- Question 13 – Which one of the following options is the correct Fourier series of the periodic function f(x) described below: f(x) = cases 0, & -2 < x < -1 \\ 2k, &…
- Question 14 – X is a random variable that can take any one of the values 0, 1, 7, 11, and 12. The probability mass function for X is P(X = 0) = 0.4; P(X = 1) = 0.3;…
- Question 15 – As per IS 456:2000 provisions for two-way slabs with continuous edges, the longitudinal steel reinforcement to be provided in the edge strip is based…
- Question 16 – Identify the FALSE statement from the following options:
- Question 17 – The results of a consolidated drained triaxial test on a normally consolidated clay are shown in the figure. The angle of internal friction is
- Question 18 – The standard plasticity chart for the classification of a fine-grained soil is shown in the figure. As per the Indian standard soil classification…
- Question 19 – For a flowing fluid, a dimensionless combination of velocity (V), length scale (l), and acceleration due to gravity (g) would be
- Question 20 – To derive the total flood hydrograph at a catchment outlet from an isolated storm, the order in which the following methods are applied, from the…
- Question 21 – Fecal Coliform (FC) concentration in river water was measured as 10780 cfu/100 ml. The FC concentration after the conventional water treatment, but…
- Question 22 – A hydrocarbon (C nH m) is burnt in air (O 2 + 3.78N 2). The stoichiometric fuel to air mass ratio for this process is Note: Atomic Weight: C(12), H(1)…
- Question 23 – All the vehicles that come during a particular peak hour come during a 10-minute period within this hour. The 15-minute peak hour factor for this peak…
- Question 24 – In the context of testing bitumen, which one of the following statements is FALSE:
- Question 25 – The maximum degree of the curve that can be used for railways in a mountainous region is
- Question 26 – If the horizontal distance between a staff point and the point of observation is d, the error due to the curvature of earth is proportional to
- Question 27 – If the quadrantal bearing of a line is N30W, then the whole circle bearing of the line is
- Question 28 – Which of the following equations belong/belongs to the class of second-order, linear, homogeneous partial differential equations:
- Question 29 – Consider the frame shown in the figure under the loading of 100 kN.m couples at the joints B and G. Considering only the effects of flexural…
- Question 30 – For the Bernoulli's equation to be applicable in a fluid flow situation, which of the following conditions is/are to be satisfied:
- Question 31 – The Surface Overflow Rate (SOR) in a rectangular sedimentation tank is 45 m3/m2/d. Minimum diameters of spherical inorganic and organic particles…
- Question 32 – Aeration is employed as a treatment option for the removal of several pollutants from contaminated water. Identify the pollutant(s), where aeration is…
- Question 33 – If the weights retained on the 2.36 mm, 1.18 mm, 600 µm, and 300 µm sieves are 30%, 35%, 15%, and 20%, respectively, of the total weight of an…
- Question 34 – A water resources project with an expected life of 25 years has to be designed for an acceptable risk of 5% against a design flood. The return period…
- Question 35 – Road A and Road B are joined by a circular horizontal curve of radius 200 m as shown in the figure. Road A and Road B are tangential to the curve at…
- Question 36 – The value of x (x - x2 + x) is equal to
- Question 37 – In the rigid-jointed frame shown in the figure, the distribution factor of the member AD is closest to
- Question 38 – In an oedometer apparatus a specimen of fully saturated clay has been consolidated under a vertical pressure of 100 kPa and is at equilibrium state.…
- Question 39 – The mean rainfall over a catchment has to be estimated. The data for four rain gauges located in and around the catchment is listed in the table.…
- Question 40 – The speed-density relation on a one-way, single lane road is shown in the figure, where speed u is in km/hour and density k is in vehicles/km. The…
- Question 41 – Consider the beam ACDEB given in the figure. Which of the following statements is/are correct:
- Question 42 – In the context of construction project management, which of the following statements is/are true:
- Question 43 – Lacey's regime equations, followed in India for making scour calculations while designing hydraulic structures across alluvial channels, are given…
- Question 44 – MgCl 2 and CaSO 4 salts are added to 1 litre of distilled deionized water and mixed until completely dissolved. Total Dissolved Solids (TDS)…
- Question 45 – A facultative pond system is employed for wastewater treatment. Which of the following statements is/are true:
- Question 46 – Organic fraction of municipal solid waste (OFMSW) with bulk density of 315 kg/m3 and water content of 30% is mixed with municipal sludge of bulk…
- Question 47 – Let y be the solution of the initial value problem y'' + 0.8y' + 0.16y = 0, where y(0) = 3 and y'(0) = 4.5. Then, y(1) is equal to (*rounded off to 1…
- Question 48 – The maximum value of the function h(x) = -x3 + 2x2 in the interval [-1, 1.5] is equal to (*rounded off to 1 decimal place*).
- Question 49 – Consider the differential equation given below. Using the Euler method with the step size (h) of 0.5, the value of y at x = 1.0 is equal to (*rounded…
- Question 50 – For the beam and loading shown in the figure, the second derivative of the deflection curve of the beam at the mid-point of AC is given by M 08EI. The…
- Question 51 – Consider the rigid bar ABC supported by the pin-jointed links BD and CE and subjected to a load P at the end A, as shown in the figure. The axial…
- Question 52 – Consider a reinforced concrete beam section of 300 mm width and 700 mm depth. The beam is reinforced with the tension steel of 2000 mm2 area at an…
- Question 53 – Consider the beam section shown in the figure, with y indicating the depth of neutral axis (NA). The section is only subjected to an increasing…
- Question 54 – Consider the built-up column made of two I-sections as shown in the figure, with each batten plate bolted to a component I-section of the column…
- Question 55 – A cut slope is made in a silty clay soil for a new road project, as shown in the figure. The locations of ground water table (GWT) and potential…
- Question 56 – A 6 m × 6 m square footing constructed in clay is subjected to a vertical load of 2500 kN at its centre. The base of the footing is 2 m below the…
- Question 57 – A clayey soil has a moisture content of 18%, a specific gravity of soil solids of 2.74, and a degree of saturation of 65%. The soil soaks up water…
- Question 58 – A single pile with 450 mm diameter has been driven into a homogeneous clay layer, which has an undrained cohesion (c u) of 20 kPa and unit weight of…
- Question 59 – Two soils of permeabilities k 1 and k 2 are placed in a horizontal flow apparatus, as shown in the figure. For Soil 1, L 1 = 50 cm, and k 1 = 0.055…
- Question 60 – A hydraulic jump is formed in a 5 m wide rectangular channel, which has a horizontal bed and is carrying a discharge of 15 m3/s. The depth of water…
- Question 61 – A symmetrical trapezoidal canal is 100 km long. The bottom width is 10 m and the side slope is 1 Horizontal : 1 Vertical. The average flow depth in…
- Question 62 – A 5.0 m wide rectangular channel carries a discharge of 10 m3/s at a depth of 1.5 m under uniform flow. To produce critical flow conditions without…
- Question 63 – A one-way, single lane road has traffic that consists of 30% trucks and 70% cars. The speed of trucks (in km/h) is a uniform random variable on the…
- Question 64 – In levelling between two points A and B on the opposite banks of a river, the readings are taken by setting the instrument both at A and B, as shown…
- Question 65 – During determination of the bulk specific gravity of compacted bituminous specimen, the mass in air of the specimen is 1260 g and volume is 525 cm3.…