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Given bench height 12 m burden 4 m Spacing 5 m...

This question belongs to Mining Engineering Introduction To Mining Engineering
Introduction to Mining Engineering
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Given bench height: 12 m, burden: 4 m, Spacing: 5 m; explosive per hole: 120 kg; density of rock: 2600 kg/m3, the powder factor in tonne/kg is

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Correct Answer: Option C
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