GATE MN Mining Methods PYQs & Answers — Page 5

Questions 41–42 of 42. Imported answers require independent review unless marked reviewed.

Topic practice 42 questionsPage 5 of 5

A mine is being developed by bord and pillar method with a gallery size of 4.8 m × 2.4 m. The mine operates in 3 shifts per day and 6 faces are blasted per shift. The average pull per round of blast is 1.2 m and the bulk density of coal is 1.4 t/m³. If the OMS is 2.5, then the average manpower deployed in the development section per shift is

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The longitudinal section of a stope is given in the figure. Match the different labeled stope features (P, Q, R, S, and T) with their corresponding nomenclatures.

Code	Name
1	Box hole
2	Raise
3	Crown Pillar
4	Access drift
5	Rib Pillar

Diagram for Mining Engineering question 42

Your answerChoose one option.

P-2, Q-3, R-1, S-5, T-4

P-5, Q-1, R-2, S-3, T-4

P-3, Q-5, R-4, S-2, T-1

P-1, Q-5, R-3, S-4, T-2

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GATE MN Mining Methods PYQs

Question 33

Question 42