NivaarExam PrepOfficial exam papers ↗

24-MMP-B5 Mineral Processing Design and Operations: Undated paper

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Crushing circuit size distribution and circulating load
  2. Question 2 Crusher selection (power and capacity criteria) and preliminary cost
  3. Question 3 Vibrating screen sizing and cost
  4. Question 4 Hydrocyclone performance and grinding-circuit mass balance
  5. Question 5 Second-hand equipment resale — original price, current price, and profit
  6. Question 6 SAG mill scale-up from pilot data
  7. Question 7 Gold flotation-roast-cyanidation flowsheet sizing
  8. Question 8 Thickener design, mechanism, and process control

Start with Question 1 →

National Exam 09-MMP-B5, Mill Design and Operations — May 2019, 3 hours. Candidates were instructed to answer any 6 of the 8 questions (each of equal value, 16.7%); all 8 are solved below as a complete study resource.

Reference texts: Wills' Mineral Processing Technology (B.A. Wills & J. Finch, 8th ed., Butterworth-Heinemann) — Ch. 4 Comminution, Ch. 8 Screening, Ch. 9 Classification, Ch. 12 Froth Flotation, Ch. 13 Leaching, Ch. 14 Solid-Liquid Separation; Mular, Halbe & Barratt (eds.), Mineral Processing Plant Design, Practice and Control (SME, 2002); Mular & Poulin, CIM Special Volume 47 (1998) preliminary capital cost estimation; Doll & Barratt (2010) SAG mill design correlations; SME Mining Engineering Handbook (3rd ed.).