Mining Engineering > GATE 2025 > Ore Dilution
In a sublevel stope, a ringhole blast round is designed for winning 2500 tonne of ore with 8.0% metal content. The blast results into breakage of 90.0% of the design blast round. Overbreak of 250 tonne wallrock with 0.5% metal content dilutes the blasted ore. The total metal content, in tonne, considering 95% recovery of the blasted muck from the stope, is ______ (rounded off to 2 decimal places)

Correct : 169.58

Similar Questions

A trapezium has vertices marked as P, Q, R and S (in that order anticlockwise). The side PQ is parallel to side SR. Further, it is given that, PQ = 11 cm, QR...
#4 MCQ
Mosquitoes pose a threat to human health. Controlling mosquitoes using chemicals may have undesired consequences. In Florida, authorities have used geneticall...
#6 MCQ
Consider the following inequalities. (i) 2π‘₯ βˆ’ 1 > 7 (ii) 2π‘₯ βˆ’ 9 < 1 Which one of the following expressions below satisfies the above two inequalities?
#7 MCQ

Related Topics

sublevel stope ringhole blast ore metal content mining engineering GATE 2025 ore dilution calculation metal recovery mining GATE mining engineering mining calculations

Unique Visitor Count

Total Unique Visitors

Loading......