Define: i. Gangue ii. Mineral iii. Reduction ratio
[3 marks]Compare crushing and grinding.
[4 marks]Explain the advantages of mineral processing to mining industry.
[7 marks]Define: i. Communition ii. Liberation
[3 marks]Explain the principle steps of mineral processing.
[4 marks]Define laws of communition. Explain the importance of these laws and derive.
[7 marks]Explain jaw crusher.
Explain ‘open circuit’ and ‘closed circuit’ grinding?
[3 marks]Explain sieve analysis.
[4 marks]Describe froth floatation process for the concentration of minerals. Give names of any two ores which can be concentrated using this process.
[7 marks]Classify industrial screens.
[3 marks]Name the reagents used as: i. Collectors ii. Frothers iii. Stabilizers
[4 marks]Explain the Ball mill. Show various zones created in ball mill during grinding.
[7 marks]Classify classifiers.
[3 marks]Explain gravity classifier.
[4 marks]Explain Heavy Media Separation with neat sketch.
[7 marks]Explain magnetic separator.
[3 marks]Explain froth floatation method.
[4 marks]Draw and explain flow sheet for lead and zinc.
[7 marks]Explain thickening.
[3 marks]Explain electrostatic separator.
[4 marks]Explain the drying and dewatering process for coal.
[7 marks]Write a note on sample preparation.
[3 marks]Explain types of sampling methods used in mining.
[4 marks]Draw and explain flow sheet for bituminous coal.
[7 marks]