Mining Engineering
2024 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE MN 2024 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.
Question 25
Open questionMNMCQ1 markNeeds review
The percentage Fe and corresponding net value for an iron ore mine is given below:
Fe (%) | Net value (INR per tonne) |
|---|---|
58 | 4000 |
62 | 4500 |
Assuming net value versus grade curve to be a straight line, and mining cost of waste is INR 1000 /m
, the correct representation of stripping ratio, SR (m
/tonne versus Fe (%) grade curve isYour answerChoose one option.
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Open questionMNMCQ1 markNeeds review
The magnitude of the curl of the vector
, isYour answerChoose one option.
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Open questionMNNAT1 markNeeds review
An explosive with a density of 1.2 g/cm
has a heat of explosion equal to 900 cal/g. If the heat of explosion of ANFO with density of 0.8 g/cm
is 950 cal/g, the bulk strength of the explosive relative to ANFO is _____. (round off up to 2 decimals)Log in to check the answer
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