What is the term for a horizontal underground opening made at the lowest level to drain water?
A. Crown pillar
B. Main haulage level
C. Pump chamber
D. Drainage adit
Answer: Option D
Solution (By Examveda Team)
Drainage adit is a horizontal tunnel designed to remove water via gravity.The correct answer is: Drainage aditEspecially common in older mines to reduce pumping needs.Positioned below the lowest active level.Related Questions on Mine Development and Mining Methods
What is the primary purpose of mine development?
A. Extraction of ore
B. Ventilation planning
C. Accessing ore body
D. Waste disposal
A. Shaft
B. Adit
C. Stope
D. Raise
A. Room and Pillar
B. Cut and Fill
C. Block Caving
D. Shrinkage Stoping
Which of the following is not an underground mining method?
A. Open-pit mining
B. Shrinkage stoping
C. Sublevel stoping
D. Cut and fill

Join The Discussion