GATE 2019 CE (CE1) – Previous Year Questions with Solutions
All 65 questions of GATE 2019 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 – “The lecture was attended by quite students, so the hall was not very .” Choose the correct words.
- Question 2 – “They have come a long way in trust among the users.” Choose the correct word.
- Question 3 – On horizontal ground, the base of a straight ladder is 6 m from the base of a vertical pole. The ladder makes 45° with the horizontal and rests on the…
- Question 4 – If E = 10, J = 20, O = 30 and T = 40, find P + E + S + T.
- Question 5 – “The CEO’s decision to quit was as shocking to the Board as it was to .” Choose the correct pronoun.
- Question 6 – The new cotton technology, Bollgard-II, with herbicide tolerant traits has developed into a thriving business in India. However, the commercial use of…
- Question 7 – In a sports academy of 300 people, 105 play only cricket, 70 only hockey, 50 only football, 25 both cricket and hockey, 15 both hockey and football…
- Question 8 – “The increasing interest in tribal characters might be a mere coincidence, but the timing is of interest. None of this, though, is to say that the…
- Question 9 – A square has sides 5 cm shorter than those of a second square. The larger square has four times the area of the smaller. Find the larger side (cm).
- Question 10 – P, Q, R, S and T belong to the same family. P is S’s brother. Q is P’s wife. R and T are children of siblings P and S respectively. Which statement is…
- Question 11 – Which statement about the following limits is correct? Let L 1= x04x2x and L 2= x0 xx.
- Question 12 – For two-dimensional flow through isotropic soil in the x and z directions, let h denote hydraulic head. Which is Laplace’s continuity equation?
- Question 13 – A mass m hangs from a spring of stiffness k. With displacement z, its free-vibration equation is m z+kz=0. Find natural frequency as expressed in the…
- Question 14 – For small h, which is the Taylor expansion of f(x+h)?
- Question 15 – The plane truss is shown, not to scale. Which option contains ONLY zero-force members?
- Question 16 – An element has biaxial tensile normal strains 0.0030 and 0.0020. Find the normal strain on a plane of maximum shear strain.
- Question 17 – For the pin-jointed plane truss shown, RP, RQ and RR denote vertical support reactions at P, Q and R, with upward positive. Find (RP, RQ, RR) in kN.
- Question 18 – Assuming no possibility of web shear buckling, what maximum reduction in the low-shear design bending strength of a semi-compact steel section due to…
- Question 19 – For the reinforced concrete beam section shown, find the bottom nominal cover according to IS 456:2000. The bottom main bars are 16 mm diameter with…
- Question 20 – Four triangles have interior angles: P: 85°, 50°, 45°; Q: 100°, 55°, 25°; R: 100°, 45°, 35°; S: 130°, 30°, 20°. Which are ill-conditioned and should…
- Question 21 – The average coefficient of rolling friction of a road is f r and its grade is +G%. If the grade doubles with other parameters unchanged, find the…
- Question 22 – An isolated concrete pavement slab of length L rests on a frictionless base. Top and bottom temperatures are T t and T b, respectively, with T t>T b.…
- Question 23 – In a rectangular channel at critical flow, find the ratio of velocity head to flow depth.
- Question 24 – An irrigation canal passes below the bed level of a natural stream. Which cross-drainage structure is provided?
- Question 25 – A rectangular catchment contains three rain gauges at arbitrary locations. Mean precipitation is estimated by arithmetic mean PA and Thiessen polygons…
- Question 26 – A retaining wall of height H with a smooth vertical back supports cohesionless backfill inclined at β to horizontal. The soil friction angle is φ and…
- Question 27 – Total stress, effective stress, hydraulic gradient and critical gradient in soil are σ, , i and i c. At initiation of quicksand, which is true?
- Question 28 – Which is a secondary air pollutant?
- Question 29 – A rectangular plain-concrete beam of overall depth 500 mm develops equal-magnitude compressive and tensile strains 2.510-4 at opposite extreme fibres.…
- Question 30 – A completely mixed dilute suspension of sand particles of diameters 0.25, 0.35, 0.40, 0.45 and 0.50 mm fills a transparent glass column 10 cm in…
- Question 31 – The maximum vehicle count in any five-minute interval of the peak hour is 160; total hourly flow is 1000 vehicles. Find the five-minute peak-hour…
- Question 32 – A water duct contracts gradually from diameter 30 cm to 15 cm. A differential mercury manometer is arranged as shown and reads 8 cm deflection during…
- Question 33 – The probability that annual maximum flood discharge exceeds 25000 m³/s at least once in the next five years is 0.25. Find the flood’s return period…
- Question 34 – Soil solids have specific gravity 2.65. Water density is 1000 kg/m³. With zero air voids and moisture content 10%, find soil dry density (kg/m³), to…
- Question 35 – A concentrated 500 kN load acts on an elastic half-space. According to Boussinesq’s theory, find the ratio of increases in vertical normal stress at…
- Question 36 – Which statement is NOT correct?
- Question 37 – A one-dimensional domain is discretized into N subdomains of width Δx, with nodes i = 0, 1, …, N. Time steps have width Δt. Which is the forward-time…
- Question 38 – A rectangular open channel is 5 m wide with bed slope 0.001. Uniform flow has depth 2 m and speed 2 m/s. Find Manning’s roughness coefficient.
- Question 39 – Assess: P: Lateral stress in soil tested in an oedometer is always at rest. Q: For a perfectly rigid strip footing at deeper depth in sand, vertical…
- Question 40 – Given x= and y=, find / x.
- Question 41 – The built-up wood beam section shown is symmetric about its neutral axis and carries vertical shear 8 kN. Its second moment about that axis is 1.5109\…
- Question 42 – The rigid-jointed frame QRS shown carries P at R. Neglect axial deformation. Both members have length L and stiffness EI. If support S settles by…
- Question 43 – The T-section shown changes from fully elastic to fully plastic. By how much does the neutral-axis depth measured from the top decrease? The flange is…
- Question 44 – A rectangular sedimentation basin is 32 m long, 8 m wide and 4 m deep, with flow 0.2 m³/s. Particle settling follows Stokes’ law. Particle density is…
- Question 45 – A survey line measures 285.5 m using a nominal 30 m tape, later found to be 0.05 m too short. The line lies on a slope of 1 in 10. Find the reduced…
- Question 46 – A 16 mm gusset plate is connected to a 12 mm I-section flange by 10 mm fillet welds on both sides as shown. Each weld is 500 mm long. A 350 kN point…
- Question 47 – The construction project network is shown. Data below give normal duration / crash duration (days), normal cost / crash cost (INR): P: 6 / 4, 15000 /…
- Question 48 – A 50 cm × 50 cm × 50 cm box is filled to the top with 187.5 kg of coarse aggregate. Aggregate water absorption is 0.5% and specific gravity 2.5. Find…
- Question 49 – The shown portal frame has a hinge at P and roller at R. A 50 kN horizontal load acts at R. PQ = 5 m, QR = 10 m and each member has EI=106\ kN\,m2.…
- Question 50 – Air at 0°C and 1 atm contains 0.02 ppm NO₂. Its molecular mass is 46 and molar volume at these conditions is 22.4 L. Find equivalent concentration…
- Question 51 – A sand filter bed 4 m long, 3 m wide and 0.80 m deep contains uniform particles of diameter 0.40 mm, specific gravity 2.65 and shape factor 0.85.…
- Question 52 – Wastewater is dosed with 35 mg/L chlorine for 99% microorganism kill. Survival follows N t=N 0e-kt, where k = 0.23 min⁻¹. Flow is 36 m³/h. A…
- Question 53 – A staff rests on a benchmark of RL 100.000 m. A theodolite is placed 50 m horizontally from it. Vertical angles from horizontal to staff readings…
- Question 54 – For x2y-2xy+2y=0, with y(1) = 0 and y(2) = 2, find y(3) to one decimal place.
- Question 55 – A road has free-flow speed 60 km/h and jam density 120 vehicles/km. With a linear speed–density relationship, find maximum flow (vehicles/h).
- Question 56 – Vehicles arrive on a highway at 360/hour as a Poisson process. Find the probability of successive headway between 6 and 10 seconds, to two decimal…
- Question 57 – A parabolic vertical curve joins grades +5% and −3%. Horizontal curve length is 400 m. VPC lies on the +5% grade. Find the height difference between…
- Question 58 – Tie bars of diameter 12 mm join concrete pavement slabs. Working tensile stress is 230 MPa, average bond strength 2 MPa and joint gap 10 mm. Ignoring…
- Question 59 – The hyetograph shows a 140-minute storm with successive 20-minute rainfall intensities 4, 8, 15, 10, 8, 3 and 1 mm/h. Infiltration capacity begins at…
- Question 60 – Two reservoirs are connected by a full-running siphon of total length 5000 m and diameter 0.10 m. The inlet leg to the summit is 2000 m and reservoir…
- Question 61 – Laminar flow in the x direction occurs between infinite parallel plates. The lower plate is stationary; the upper moves at 1 cm/s in x. Gap is 5 mm…
- Question 62 – A reinforced-concrete circular pile 12 m long and 0.6 m in diameter is embedded in stiff clay of undrained cohesion 110 kN/m². Adhesion factor is 0.5.…
- Question 63 – A granular soil has saturated unit weight 20 kN/m³ and effective friction angle 30°. Water unit weight is 9.81 kN/m³. Seepage occurs parallel to an…
- Question 64 – Precast 3 m × 3 m square reinforced-concrete segments are pushed through a railway embankment to form an underpass. Jacks react against a rigid steel…
- Question 65 – A square footing of side 4 m at depth 1 m in dry sand has ultimate bearing capacity 600 kPa. Sand unit weight is 15 kN/m³; take d c=d q=d =1.0 and N…