Question:
Out of the support categories given for an underground coal mine, identify the “active support”
Out of the support categories given for an underground coal mine, identify the “active support”
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Active supports resist load by yielding or movement; hydraulic props are an example.
Updated On: June 02, 2025
- Wire mesh
- Shotcrete
- Fully grouted roof bolt
- Hydraulic prop
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The Correct Option is D
Solution and Explanation
Hydraulic props are active supports because they provide support by actively resisting load during roof movement in mines.
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