UPSC Civil Engineering 2021

(a) Determine the forces in members AC, DE and GH of the truss loaded and supported as shown in the figure below : (10 marks) (b) A prestressed concrete beam of section 160 mm wid…

(a) Using moment area method, find the slopes and deflection at 'B' for the beam shown in the figure below. Point 'B' is a hinge. (15 marks) (b) A rectangular reinforced concrete…

(a) The figure below represents time and consolidation relationship for a clay sample 30 mm thick subjected to a given pressure range under double drainage condition. Determine :…

(a) Determine the maximum tensile force in member DI of the truss shown below due to the series of three moving loads shown in the figure. Support : Hinge at 'A' and Roller at 'G'…

(a) A circular log of weight 1000 N and radius 18 cm is supported by a pair of brackets, one of which is shown in the figure below. Bar PN is hinged at 'P' and held by a string MN…

(a) A submarine can be assumed to have cylindrical shape with rounded nose. Assuming its length to be 55 m and diameter 6·0 m, determine the total power required to overcome bound…

(a) The subsoil at a site consists of a 12·0 m thick homogeneous layer of dense sand having dry unit weight, γd = 17·2 kN/m³, GS = 2·7 and φ = 35°. The natural ground water level…

(a) A 300 mm diameter concrete pile is to be driven into a medium dense to dense sand with an embedded length of 12 m. The soil conditions are shown in the figure. No ground water…

(a) (i) What is the purpose of first coat of plastering ? (ii) What loads are taken by the formwork apart from its self-weight ? (iii) Label the components (1, 2, 3 & 4) of pitche…

(a) For a small project, the number of masons required is shown. The table also indicates the duration of each activity along with the masons required. Carry out the resource allo…

(a) (i) Explain with neat sketches, how surface and sub-surface water can be removed from a railway track. (ii) Two high level platforms are to be provided on the inside as well a…

(a) Design the size and spacing of dowel bars at the expansion joints of a cement concrete pavement of thickness 25 cm with radius of relative stiffness 80 cm, for a design wheel…

(a) A one-hour unit hydrograph of a catchment is shown in the figure. A storm of two hours duration with intensity of 70 mm/h in the first hour and 40 mm/h in the second hour occu…

(a) Two settling tanks – one rectangular, with length to width ratio of 3 : 1 and side water depth of 3·5 m; and the other circular, with side water depth of 4·0 m – are to be des…

(a) An open drain is to be designed to prevent waterlogging for an area of 576 ha. Given that the drainage coefficient is 0·06 m/day, determine the capacity of the drain required…

(a) From the basin map of a given watershed with drainage area 3000 km², the length of the mainstream (L) is measured as 125 km. The distance (Lc) from the outlet to a point on th…