- Lang’s lay is used as lifting or hoisting cable
- Lang’s lay is used in hauling operation in UG mines
- In regular lay, the wires & strands are laid in opposite to each other
- All of these
Category: Mining Machinery
- Diameter of the wire rope in mm
- Number of strands in the wire rope
- Number of wires
- None of the above
- Fatigue failure
- Abrasive failure
- Both (a) & (b)
- None of the above
- Crushing
- Chipping
- Both (a) and (b)
- Either (a) or (b)
- Rotary drilling
- Percussive drilling
- Rotary Percussive drilling
- None of the above
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- Skid Mounted Drill
- hydraulic force
- pneumatic force
- electric drive
- electromagnetic drive
- Ripper
- Auger
- tool carrier
- rock hammer
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- Diamond drill bit
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- Excavator
- Scraper
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- Tractor
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