Examveda

What is the main hazard during raise development?

A. Water inflow

B. Equipment failure

C. Falling rocks and material

D. Overbreak

Answer: Option C

Solution (By Examveda Team)

Raise development involves upward excavation, which exposes workers to falling debris.The correct answer is: Falling rocks and materialProper scaling and support are essential to minimize risks.Raise climbers or raise boring machines reduce manual exposure.

Join The Discussion

Related Questions on Mine Development and Mining Methods