GATE Mineral Processing and Extractive Metallurgy: Ironmaking – Previous Year Questions
12 GATE previous year questions on Ironmaking (Mineral Processing and Extractive Metallurgy, Metallurgical Engineering) with answers and explanations, from every paper.
- GATE 2021 MT Q45 – Match terms to unit processes. P. Submerged entry nozzle Q. Electric heating R. Raceway zone S. Oxygen lancing 1. Ladle furnace 2. Continuous casting…
- GATE 2021 MT Q46 – A blast furnace uses hematite ore with 80% Fe 2O 3 and 20% gangue. Coke use is 600 kg per ton hot metal, with 85% C and 15% ash. Hot metal is 95.5% Fe…
- GATE 2022 MT Q25 – Which one of the following modern practices is used for retarding the solution loss reaction in blast furnace ironmaking?
- GATE 2023 MT Q18 – The gas distribution in a blast furnace is controlled by the shape of
- GATE 2023 MT Q48 – Which of the following is/are the role(s) of coke in a blast furnace?
- GATE 2024 MT Q19 – Which reaction is Boudouard’s reaction? Phase labels (s), (l), and (g) denote solid, liquid, and gas.
- GATE 2024 MT Q47 – Which of the following statements is/are correct?
- GATE 2025 MT Q16 – Hot metal from a blast furnace is treated with mill scale prior to oxygen steelmaking for .
- GATE 2025 MT Q27 – Which of the following conditions is/are favorable for producing low-silicon hot metal in blast furnace ironmaking?
- GATE 2026 MT Q41 – Match the unit operations in Column I with the resulting products in Column II. Column I: (P) COREX process (Q) Bayer process (R) Matte smelting (S)…
- GATE 2026 MT Q61 – For the reaction between methane and stoichiometric air containing 20 vol.% O 2 and 80 vol.% N 2, the estimated adiabatic flame temperature is K.…
- GATE 2026 MT Q63 – A blast furnace produces hot metal containing 4 wt.% C, 1.5 wt.% Si, and the rest Fe. The only iron input is ore containing 85 wt.% Fe 2O 3 and 15…