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Questions and Answers
What factor does not influence the size of the main access development in an underground mine?
What factor does not influence the size of the main access development in an underground mine?
- The tonnes that must be hoisted per day
- The size of mobile equipment to be used
- Ventilation requirements
- The availability of explosives on the market (correct)
What type of exploration information can primary underground development openings provide?
What type of exploration information can primary underground development openings provide?
- Data on the climate of the region
- Information about the surface topography
- Detailed geotechnical data of the surrounding rock (correct)
- Information about the local infrastructure available
What is the main feature of an underground mine that provides vertical or subvertical access to the underground workings?
What is the main feature of an underground mine that provides vertical or subvertical access to the underground workings?
- Portal
- Adit
- Decline
- Shaft (correct)
Why does an underground mine usually have at least two independent access systems?
Why does an underground mine usually have at least two independent access systems?
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What influences the decision between using a shaft or ramp as the primary access in an underground mine?
What influences the decision between using a shaft or ramp as the primary access in an underground mine?
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