GATE XH case studies
GATE XH · Put your knowledge to work in context.
GATE 2025 (Graduate Aptitude Test in Engineering) is a national-level examination that primarily tests comprehensive understanding of undergraduate-level subjects in Engineering, Technology, Architecture, Science, Commerce, Arts and Humanities. It is organised by IIT Roorkee for the 2025 edition and conducted by IISc Bengaluru together with seven IITs - Bombay, Delhi, Guwahati, Kanpur, Kharagpur, Madras and Roorkee - on behalf of the National Coordination Board (NCB), Department of Higher Education, Ministry of Education, Government of India. The GATE XH case studies are 5 cases and about 3,994 words.
1Footbridge Deflection and the Contractor's Web-Thickness Proposal
A 12 m simply supported steel footbridge over a drainage channel carries pedestrians between a car park and a hospital entrance. The deck is formed by two 356×171×51 kg/m universal beams at 1.8 m centres with a 120 mm concrete slab on permanent formwork.
819 words, about 4 min2An EU-Only Latency Regression and a Premature Cache
An e-commerce platform runs a public API at 200 requests per second. Before release 12.4, p95 latency was 180 ms and database CPU averaged 45%.
831 words, about 4 min3Rooftop Plant Room on a 1960s Concrete Frame
A 1965 four-storey office block with a reinforced-concrete frame is being converted into laboratories. The original drawings specify 30 MPa cube strength for the columns, which are 300 mm × 300 mm with 4T20 longitudinal bars and T8 links at 200 mm centres.
819 words, about 4 min4Lake Phosphorus and a Twelve-Sample Trend
A 40 ha eutrophic lake is the source of drinking water for a town of 18,000 people. A consultant collected 12 monthly surface samples and reports mean total phosphorus (TP) of 45 µg/L, chlorophyll-a of 28 µg/L, and Secchi depth of 1.2 m.
750 words, about 4 min5Solder-Joint Field Failures Under Combined Thermal and Wind Loading
A manufacturer of outdoor LED luminaires has a field failure rate of 2.1% within six months, against a baseline of 0.3%. The failures are open-circuit solder joints at the corner of a 15 mm × 15 mm QFN package on a 1.6 mm FR4 board.
775 words, about 4 min