1. What is the purpose of an ore pass?
2. The recovery of pillars in room and pillar mining is called:
3. Which of the following techniques is used to ensure controlled rock fragmentation?
4. Which mining method generally produces the lowest dilution?
5. The term "shaft station" refers to:
6. What is a common layout pattern for room and pillar mining?
7. Which of the following is NOT a common hazard in shaft sinking?
8. Which underground method allows for continuous ore production with minimal blasting?
9. What is the role of a "mucking unit" in mine development?
10. In raise boring, what is the function of the reamer head?
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