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Mineral Dressing in Mining MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Mineral Dressing in Mining. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Mineral Dressing in Mining chapter is particularly important for students studying mining engineering. Page-4 section-1

31
For heavy duty crushing on hard material, the type of jaw crusher normally selected is
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Answer: Option A
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32
How will you quote the size of an irregular particle using a single quantity?
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Answer: Option D
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33
This is one of the most common methods often used to presenting the results of sieve analyses performed on material which has been ground to ball mills
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Answer: Option B
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34
Normally how many cyclones are arranged in series within the unit of cyclosizer?
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Answer: Option C
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35
If the bond work index for quartz is 13.57 what is the same for graphite?
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Answer: Option D
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36
Grinding within a tumbling mill is not influenced by
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Answer: Option C
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37
The feed to a flotation plant assays 0.75% Cu. The concentrate produced assays 30% Cu and the tailings 0.2%. Calculate the ratio of concentration?
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Answer: Option C
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38
A slurry stream containing quartz is diverted into one litre density can. The time taken to fill up the can is measured as 5 sec. The pulp density is measured to be 1250 kg/m3. Calculate the mass flow rate of quartz within the slurry. Assuming the density of quartz is 2650kg/m3
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Answer: Option D
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39
The percentage of the mineral occurring as free particles in the ore in relation to the total content is known as
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Answer: Option C
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40
Which of the following rod mill is widely used in mining industry with the principal function is to convert crushing-plant product into ball mill feed introduced through one trunnion and discharges through the other?
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Answer: Option C
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