GATE Mining Geology, Mine Development and Surveying: Mine Surveying – Previous Year Questions
23 GATE previous year questions on Mine Surveying (Mining Geology, Mine Development and Surveying, Mining Engineering) with answers and explanations, from every paper.
- GATE 2021 MN Q20 – In photogrammetry, what is the tilt of a photograph?
- GATE 2021 MN Q38 – In the Weisbach triangle shown, CD has bearing 286°00′00″ and length 4.64 m, angle CED=00°00′40″, and DE=5.46 m. Find the bearing of CE.
- GATE 2021 MN Q49 – A dumpy-level bubble has sensitivity 40″ per division. At a staff distance 60 m, the bubble is two divisions off centre. Find staff-reading error…
- GATE 2021 MN Q50 – A 1:1000 old mine plan measures 802 cm² by planimeter. An original 10 cm line has shrunk to 9.8 cm. Find true ground area in m², to the nearest…
- GATE 2022 MN Q31 – A levelling staff reading is 2.25 m, with a 20 cm lateral deflection along the sight direction from its vertical position. Find the corrected reading…
- GATE 2022 MN Q46 – Shaft A has surface coordinates N 670, W 150 m, surface RL 250 m and depth 200 m. Shaft B has N 170, E 50 m, surface RL 209 m and depth 149 m. Find…
- GATE 2023 MN Q24 – Match P isopachs, Q isotherms and R isoclines with contours of 1 slope, 2 thickness and 3 temperature.
- GATE 2023 MN Q25 – In an astronomical survey the pole star is 27° above the horizon. Estimate the station latitude.
- GATE 2023 MN Q26 – GPS position tracking is based on which technique?
- GATE 2023 MN Q29 – A dump point moves from (200, 700, −60) m to (200.05, 700.1, −60.75) m. Find net displacement in cm, to two decimals.
- GATE 2023 MN Q38 – Match devices P ground-penetrating radar, Q tactile sensor, R global navigation satellite system and S digital inclinometer with applications 1…
- GATE 2023 MN Q44 – Survey points are A(E0, N200) m and B(E300, N200) m. Whole-circle bearings AO and BO are 67° and 35°. Find the easting of O in metres, to two…
- GATE 2024 MN Q21 – Match plan features P shaft, Q staple shaft, R abandoned shaft, S abandoned staple shaft with the four numbered symbols shown.
- GATE 2024 MN Q41 – A closed traverse ABC has AB 100 m at whole-circle bearing 90° and BC 120 m at 150°. Find CA’s length and bearing approximately.
- GATE 2024 MN Q48 – From P, a vertical staff at A has bearing 145°, vertical angle+8° and readings 1.2, 1.7, 2.2 m; B has bearing 205°, angle+3° and readings 0.8, 1.2,…
- GATE 2025 MN Q11 – Which feature does a non-transit theodolite lack?
- GATE 2025 MN Q20 – Match steel-tape errors P sag,Q temperature,R pull greater than standard to corrections1 positive only,2 negative only,3 positive or negative.
- GATE 2025 MN Q41 – A closed traverse PQRS has fore bearings PQ60°30′,QR105°30′,RS220°30′,SP310°30′. Find interior angles at P and R respectively.
- GATE 2025 MN Q63 – Reciprocal levelling gives staff readings(P,Q):near P,(1.512,2.100) m;near Q,(0.680,1.302) m. P’s RL is115.246 m. Find true Q RL to three decimals.
- GATE 2026 MN Q20 – Which is the increasing-wavelength order used in remote sensing?
- GATE 2026 MN Q30 – A circular curve of radius1000 m joins two straights with deflection angle60°. Find apex(external) distance in m, to three decimals.
- GATE 2026 MN Q44 – The correlation-survey geometry is shown. C has(E375 m,N1120 m) and D has(E376 m,N1121 m). Determine the whole-circle bearing of EF.
- GATE 2026 MN Q62 – A tacheometer has multiplying constant100 and additive constant0; the staff is vertical. From P, Q has readings1.4,2.7,3.9 m and vertical angle7°; R…