Mining Engineering
GATE MN kind:question PYQs
Build your understanding with focused practice from past exam papers.
Questions 71–80 of 650. Imported answers require independent review unless marked reviewed.
Question 6
Open questionGAMCQ2 marksNeeds review
“His life was divided between the books, his friends, and long walks. A solitary man, he worked at all hours without much method, and probably courted his fatal illness in this way. To his own name there is not much to show; but such was his liberality that he was continually helping others, and fruits of his erudition are widely scattered, and have gone to increase many a comparative stranger’s reputation.”
(From E. V. Lucas’s “A Funeral”)
Based only on the information provided in the above passage, which one of the following statements is true?
Your answerChoose one option.
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For the clock shown in the figure, if
O* = O Q S Z P R T, and
X* = X Z P W Y O Q,
then which one among the given options is most appropriate for P*?
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Consider a five-digit number
that has distinct digits
,
,
,
, and
, and satisfies the following conditions:
If integers 1 through 5 are used to construct such a number, the value of
is:Your answerChoose one option.
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A business person buys potatoes of two different varieties P and Q, mixes them in a certain ratio and sells them at ₹ 192 per kg.
The cost of the variety P is ₹ 800 for 5 kg.
The cost of the variety Q is ₹ 800 for 4 kg.
If the person gets 8% profit, what is the P:Q ratio (by weight)?
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Three villages P, Q, and R are located in such a way that the distance PQ = 13 km, QR = 14 km, and RP = 15 km, as shown in the figure. A straight road joins Q and R. It is proposed to connect P to this road QR by constructing another road. What is the minimum possible length (in km) of this connecting road?
Note: The figure shown is representative.
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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
isYour answerChoose one option.
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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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