GATE TF case studies
GATE TF · Put your knowledge to work in context.
GATE 2026 is a national-level examination that assesses candidates for a comprehensive understanding of undergraduate-level subjects in Engineering, Technology, Science, Commerce, Arts, Architecture and Humanities. It is conducted by IIT Guwahati in collaboration with IISc Bengaluru and all other 22 IITs, on behalf of the National Coordination Board (NCB), Department of Higher Education, Ministry of Education, Government of India. The GATE TF case studies are 5 cases and about 2,842 words.
1Rooftop PV and battery guarantee for a textile plant
A 250 kWp rooftop PV array is proposed for a textile plant in Pune whose load is 120 kW from 08:00 to 16:00 and 40 kW for the remaining 16 hours. The plant already has a 400 kWh lithium-ion battery with 90% usable depth of discharge, 92% round-trip efficiency and a 95% efficient inverter.
603 words, about 3 min2Wind farm energy yield and PPA shortfall
A 20 MW wind farm in Tamil Nadu uses five 4 MW turbines. The independent energy yield assessment gives a gross P50 annual energy production of 62 GWh at hub height.
500 words, about 3 min3Rice-husk gasifier CHP for a rice mill
A rice mill installs a 500 kg/h downdraft gasifier using rice husk at 30% moisture and an as-received lower heating value of 13 MJ/kg. The gasifier has a cold-gas efficiency of 70%.
580 words, about 3 min4Fuel-cell bus range and efficiency claim
A transit agency is testing a 400-cell PEM fuel-cell bus. Each cell has 300 cm² of active area and operates at 0.65 V at a current density of 1.0 A/cm².
582 words, about 3 min5Stratified hot-water storage for dairy process heat
A dairy pasteurisation plant installs a 120 m³ stratified hot-water tank charged by a solar collector field. The tank operates between 95°C and 55°C.
577 words, about 3 min