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Mine Development and Mining Methods MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Mine Development and Mining Methods. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Mine Development and Mining Methods chapter is particularly important for students studying mining engineering. Page-4 section-3

Each section contains 100 MCQs on Mine Development and Mining Methods .
31
Which factor makes decline development more favorable than shaft sinking?
Discuss
Answer & Solution
Answer: Option C
Solution:
Declines are cost-effective for shallow to moderate depths and smaller outputs.The correct answer is: Small production rateCheaper to build and allows rubber-tired vehicle access.Ideal when quick access is needed.
32
In which mining method is broken ore left in place to support the stope?
Discuss
Answer & Solution
Answer: Option C
Solution:
Shrinkage stoping temporarily leaves broken ore in the stope.The correct answer is: Shrinkage stopingThe retained ore provides support to walls and roof.Later removed after the stope is fully mined.
33
Which of the following is a temporary support used during tunnel advancement?
Discuss
Answer & Solution
Answer: Option C
Solution:
Timber sets are used as short-term support in advancing headings.The correct answer is: Timber setsOften replaced later by permanent systems like steel sets or shotcrete.Useful in small-scale mines.
34
What is the purpose of an escape raise?
Discuss
Answer & Solution
Answer: Option B
Solution:
Escape raises are vertical or inclined passages used in emergencies.The correct answer is: Emergency egressAllow miners to reach surface or a safe zone quickly.Often equipped with ladders or platforms.
35
The mining term "footwall" refers to:
Discuss
Answer & Solution
Answer: Option C
Solution:
Footwall lies beneath the ore body in an inclined seam.The correct answer is: Wall below the ore bodyOpposite to the hanging wall.Terminology helps in defining drilling orientation and support layout.
36
Which of the following stoping methods uses vertical crater retreat blasting?
Discuss
Answer & Solution
Answer: Option B
Solution:
VCR (Vertical Crater Retreat) uses downward drilling and crater blasting.The correct answer is: VCR miningEffective in competent ore with a vertical geometry.Allows safe remote drilling and blasting.
37
A backfill mixture commonly includes:
Discuss
Answer & Solution
Answer: Option B
Solution:
Backfill restores voids with a stable mixture.The correct answer is: Cement, tailings, waterSupports ground, reduces surface subsidence, and helps waste disposal.Can be placed hydraulically or mechanically.
38
What is the main role of ground monitoring instruments like extensometers?
Discuss
Answer & Solution
Answer: Option C
Solution:
Extensometers and similar tools monitor ground stability.The correct answer is: Detect ground movementUsed to prevent roof falls and structural failures.Part of geotechnical monitoring programs.
39
What distinguishes sublevel caving from block caving?
Discuss
Answer & Solution
Answer: Option C
Solution:
Sublevel caving uses multiple levels to drill and blast ore, which caves under its own weight.The correct answer is: Use of multiple production levelsBlock caving involves large undercut areas collapsing en masse.Sublevel caving offers more control and selectivity.
40
What does "stope" mean in mining terminology?
Discuss
Answer & Solution
Answer: Option B
Solution:
Stope is the excavated area where ore has been extracted.The correct answer is: Open space where ore is minedShape and size vary depending on the mining method.Can be supported or unsupported based on conditions.