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Q: Which method of quarrying is suitable for costly, soft and stratified rocks such as laterite, marble and slate, also the wastage in this method is minimum?
  • A. Wedging
  • B. Excavating
  • C. Tamping
  • D. Boring and charging
Correct Answer: Option A - Wedging–Wastage is minimum and required size and shape is quarried.
A. Wedging–Wastage is minimum and required size and shape is quarried.

Explanations:

Wedging–Wastage is minimum and required size and shape is quarried.