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 bri…

(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 marks) (ii) The consolidated data collected from speed and delay studies by flo…

(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 : - January: 30 m³/s - February: 40 m³/s - March: 50 m³/s - April:…

(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 =…