Mining Engineering
GATE MN year:2023 PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–30 of 65. Imported answers require independent review unless marked reviewed.
Question 21
Open questionMNMCQ1 markNeeds review
x and y are functions of independent variables
and
as given below
The Jacobian of x, y isYour answerChoose one option.
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In project scheduling techniques, the CORRECT statement is
Your answerChoose one option.
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As per DGMS guidelines, the risk score in Safety Management Plan for a hazard is computed as
Your answerChoose one option.
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Open questionMNMCQ1 markNeeds review
Match the following items with their respective contours
Item | Contour |
|---|---|
(P) Isopachs | (1) slope |
(Q) Isotherms | (2) thickness |
(R) Isocline | (3) temperature |
Your answerChoose one option.
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In an astronomical survey at a given station, the pole star is located at an angle of 27° from the horizon. The latitude of the survey station in degrees is
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The position tracking of a point by GPS is based on the technique of
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Matrix A is negative definite. Which one of the following is NOT the correct statement about the matrix?
Your answerChoose one option.
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The average ore grade of a copper deposit is 0.9%. The recovery of the metal after processing, smelting and refining is 85%. If the selling price of refined copper is Rs 640/kg, the sale value in Rs. from mining one tonne of ore is_____.
[rounded off to 1 decimal place]
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A slope stability radar shows that the position of a point P in a mine dump shifts from (200, 700, −60) m to (200.05, 700.1, −60.75) m over a time
. The net displacement in cm of the point P is_____.
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Open questionMNNAT1 markNeeds review
A Mohr-Coulomb failure envelope of a sandstone rock is given as
where
and
, measured in MPa, are the major and minor principal stresses respectively. The angle of the failure plane with the
axis in degree is_____.
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