GATE Mineral Economics, Mine Planning, Systems Engineering: Mineral Economics – Previous Year Questions
16 GATE previous year questions on Mineral Economics (Mineral Economics, Mine Planning, Systems Engineering, Mining Engineering) with answers and explanations, from every paper.
- GATE 2021 MN Q19 – Under the MMDR Act 1957, who is authorised to grant permits/leases for minor minerals in the stated allocation context?
- GATE 2021 MN Q25 – Which statement distinguishes depreciation and amortisation allowances in the source’s tax/accounting terminology?
- GATE 2021 MN Q26 – Which is NOT included in a machine’s owning cost?
- GATE 2021 MN Q44 – Match roof-bolt cost/revenue lines: P line A, R line B, S line C, with 1 total cost, 2 indirect operating cost, 3 revenue.
- GATE 2021 MN Q47 – A three-year quarry mines 3 million tonnes ore each year. Waste volumes in years 1, 2, 3 are 5.0, 5.5, 5.0 million m³. Ore sells at₹1500/t; ore mining…
- GATE 2022 MN Q28 – A mining company produces iron ore and sells it to another company. In the sale scenario asked, royalty is based on:
- GATE 2022 MN Q29 – A screw compressor costs ₹21, 00, 000 and has 15-year life. Under sum-of-years-digits depreciation, the fourth-year charge is ₹2, 00, 000. Find…
- GATE 2022 MN Q61 – Two project NPVs are NPV A=-0.01i2-0.02i+4.44 and NPV B=-0.03i2-0.01i+6.55. Find the positive crossover discount rate i at which both proposals are…
- GATE 2022 MN Q64 – A mine has 150 Mt reserve and a maximum annual output of 5 Mt. Year 1 production is 2 Mt and grows 20% each year until capacity is reached. Find…
- GATE 2023 MN Q61 – A project needs ₹200 crore initially. After gestation, production over three years is 1, 2, 1 million tonnes. Ore sells at ₹2000/tonne; ore mining…
- GATE 2024 MN Q24 – What is the role of a District Mineral Foundation established by a state government in India?
- GATE 2024 MN Q60 – A mining project has real return 14% and inflation 5.5%. Find nominal return in percent, to two decimals.
- GATE 2025 MN Q60 – A3-year project costs₹300 crore at year0. Year1–3 revenues are200,300,400 crore and operating costs30,40,35 crore. Tax is30%,discount10%,and…
- GATE 2026 MN Q16 – In the UNFC mineral-resource classification used by this question, which code denotes the highest category?
- GATE 2026 MN Q50 – A shovel costs P=₹20 crore, has salvage S=₹2 crore and life n=10 years. Declining-balance rate is r=1-(S/P)1/n. Find its second-year depreciated cost…
- GATE 2026 MN Q51 – In the economic block model, centre labels give extraction year and corner labels give block economic values in lakh rupees. At10% annual discount,…