GATE MT · 2019 · MT
Question 46: Material and Energy balances in metallurgical processes; Principles and processes for the extraction of non-ferrous metals – aluminium, copper and titanium.
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Question 46
MTNAT2 marksNeeds review
100 Metric tons of copper concentrate containing 21 wt.% Cu is to be processed in 6 months with 25 working days per month and 8 working hours per day. The concentrate is leached by sulphuric acid and electrolyzed in 10 cells arranged in series. The minimum current rating (Ampere per month per cell, rounded off to the nearest integer) is ________.
Given: Faraday constant = 96500 Coulomb per gram equivalent. Atomic weight of copper is 63.
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2019MT
GATE MT 2019 · Paper 1
Metallurgical Engineering · Original paper archive
- Section
- Metallurgical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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Material and Energy balances in metallurgical processes; Principles and processes for the extraction of non ferrous metals – aluminium, copper and titanium.
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