Q207
Which of the following is NOT a common hazard in shaft sinking?
A.
Water inflow
B.
Gas emission
C.
Ore dilution
AnswerD.
Rock fall
Answer: Option C
Solution
Answer: Option C
Solution:
Ore dilution is related to ore mixing, not a direct shaft hazard.The correct answer is: Ore dilutionShaft hazards include falling rock, water inflow, and gas.Proper lining and ventilation reduce risks.