Mining Engineering
GATE MN year:2025 PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 65. Imported answers require independent review unless marked reviewed.
Question 11
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A non-transit theodolite does NOT have
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A steeply dipping metalliferous ore body is non-susceptible to spontaneous heating. The blasted ore is used as the platform to work in a stope. Appropriate mining method for this orebody is
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If
, then
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The rank of 3 × 3 matrix A is 2. The determinant of the matrix is
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The safety device used to arrest forward runaway tubs in rope haulage, is
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The metal that belongs to Rare Earth Element category is
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The major (
) and minor (
) principal stresses and the maximum shear stress (
) are related as
The magnitude of normal stress on the plane where
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In a Brazilian test, the front view of a homogeneous rock sample is shown in the figure. The failure initiates at the point
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Three frictionless pulleys with rope attachment are in a static equilibrium as shown in the figure. The mass
and
, in kg, respectively are 
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Match the source of error with the corresponding correction in surveying with steel tape.
Source of error | Type of correction |
|---|---|
(P) Sag | (1) Only Positive (+) |
(Q) Temperature | (2) Only Negative (−) |
(R) Pull greater than standard pull | (3) Either positive or negative (+ or −) |
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