UPSC Civil Engineering 2024

(a) A cantilever beam ABCD, as shown in the above figure, is carrying a uniformly distributed load of 10 kN/m between B & C and a clockwise moment of 50 kN-m at free end D. Draw t…

(a) A cantilever beam ABC as shown in the above figure is having a total span of 2·0 m. The maximum safe allowable bending stress is 7500 kN/m² for the material. Find the maximum…

(a) A box culvert ABCD is shown in the above figure. By using member fixed end moments given above; calculate the final end moments in the box culvert using "Moment distribution m…

(a) A prestressed concrete T-beam having the cross-section of flange 1500 mm wide and 200 mm thick, rib of 300 mm wide and 1200 mm deep. The beam carries a live load of 20 kN/m ap…

(a) A 125 mm diameter vertical cylinder rotates concentrically inside a fixed cylinder of diameter 130 mm. Both cylinders are 325 mm long. Find the dynamic viscosity of the liquid…

(a) The resistance force F of a ship is a function of its length L, velocity V, acceleration due to gravity g and fluid properties like density ρ and viscosity μ. Write this relat…

(a) A canal is to be excavated through a soil with c = 20 kN/m², φ = 20°, e = 0·80 and G = 2·70. The side slope is 1 in 1. The depth of the canal is to be 8 m. Determine the facto…

(a) A retaining wall 8 m high, with a smooth vertical back is pushed against a soil mass having c = 50 kN/m², φ = 15° and unit weight 18 kN/m³. It carries a surcharge of 40 kN/m²…

(a) Describe various defects in clay bricks giving sources/causes of defects. 10 marks (b) Draw neat sketches, showing complete details of plans of alternate courses of a 1½ brick…

(a) The network for a construction project is shown in the figure given below. The three time estimates for each activity are given along each activity arrow. Determine the: (i) E…

(a) (i) Explain spot speed, running speed, space-mean speed, time-mean speed and average speed. 10 (ii) The consolidated data collected from speed and delay studies by floating ca…

(a) The network of a certain project is shown in the figure given below with the estimated time duration (in days) of various activities. Determine the following : (i) Earliest ev…

(a) What is a flood hydrograph ? The monthly discharge (Q) data of a river at a gauging station are given below : | Month | Q (m³/s) | |---|---| | January | 30 | | February | 40 |…

(a) Explain an aquifer. Deduce the expression for discharge (Q) through a well in an unconfined aquifer taking usual symbols. If the permeability of the aquifer, K = 10⁻⁴ m/s, rad…

(a) A sewer having a 60 cm diameter (D) is required to flow at 0·4 depth (i.e., a proportional depth d/D = 0·4) on a grade ensuring a degree of self-cleansing equivalent to that o…

(a) (i) What is Lacey's Silt Factor? What is its value for standard silt? Design an earthen canal using Lacey's silt theory with the following data: Full supply discharge, Q = 15…