Question

What is meant by underground mining?

• A. Building underground tunnels
• B. Making of a pit
• C. Open cast mining
• D. None of these

Answer 1

The correct option is A Building underground tunnels

Underground mining involves mining operations carried out under the surface using shafts, slopes, tunnels or other openings leading to the mining of the mineral and the extraction through such shafts, slopes, tunnels or openings of the mineral. Strong minerals are excavated, typically those containing metals such as gold, silver, iron, copper, zinc, nickel, tin, lead, etc.

The correct answer is A.