ESE CE Prelims case studies
ESE CE Prelims · Put your knowledge to work in context.
The Engineering Services Examination (ESE), commonly called the IES exam, is conducted by the Union Public Service Commission (UPSC) for recruitment to engineering posts in the Government of India. Civil Engineering is one of the four disciplines offered, alongside Mechanical, Electrical, and Electronics & Telecommunication Engineering. The ESE CE Prelims case studies are 5 cases and about 3,013 words.
1Flexible Pavement Overlay Versus Reconstruction on a Black-Cotton-Soil Highway
A 24-year-old two-lane state highway in a black-cotton-soil region carries 4,500 commercial vehicles per day with 6% annual growth. The flexible pavement has a 50 mm bituminous concrete wearing course, 100 mm dense bituminous macadam, 250 mm wet mix macadam and 300 mm granular sub-base.
682 words, about 3 min2Coagulation Failure at a 30 MLD Surface-Water Plant During a Turbidity Spike
A 30 MLD surface-water treatment plant draws from a river subject to monsoon spates. During a storm, raw water turbidity rises from 20 NTU to 800 NTU, pH is 7.8, alkalinity is 90 mg/L as CaCO3, and water temperature is 26°C.
618 words, about 3 min3Raft Foundation on Expansive Black Cotton Soil: Heave Risk at a Four-Storey Building
A four-storey RCC framed residential building with a 1,200 m² footprint is proposed on a site underlain by 6 m of black cotton soil. SPT N values are 4–8 in the clay and increase to 18 below 6 m.
578 words, about 3 min4Chloride-Induced Corrosion on a 35-Year-Old RCC Slab Bridge
A 35-year-old three-span RCC slab bridge on a state highway has a 7.5 m carriageway and 60 m total length. The soffit shows map cracking, rust staining and 10–15 mm deep spalling over about 15% of the area, with delamination near the expansion joints.
570 words, about 3 min5Spillway Adequacy and Freeboard at an 18 m Earthen Dam After a Cloudburst
An 18 m high homogeneous earthen dam impounds a 45 km² catchment. The ogee spillway was designed for a 50-year flood of 350 m³/s and has a crest at FRL; the freeboard is 2.0 m.
565 words, about 3 min