Examveda

Which of the following is used to control dust in underground mines?

A. Rock bolts

B. Shotcrete

C. Water sprays

D. Conveyor belts

Answer: Option C

Solution (By Examveda Team)

Water sprays are used to suppress dust at sources.The correct answer is: Water spraysThey reduce airborne particles during drilling, blasting, and loading.Rock bolts and shotcrete stabilize rock; conveyors transport ore.

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