PC3352 Mechanical Operations Study Materials
Anna University – PC3352 Mechanical Operations Regulation 2021 Syllabus, Notes, Important Questions, Question Paper with Answers, Previous Year Question Paper
UNIT I PARTICLE CHARACTERIZATION AND MEASUREMENT PC3352 Mechanical Operations Syllabus
General characteristics of solids, different techniques of size analysis- Static – Image analysis and
Dynamic analysis – Light scattering techniques, shape factor, surface area determination,
estimation of particle size. Advanced particle size analysis techniques. Screening methods and
equipment, screen efficiency, ideal and actual screens.
UNIT II PARTICLE SIZE REDUCTION AND SIZE ENLARGEMENT PC3352 Mechanical Operations Notes
Laws of size reduction, energy relationships in size reduction, methods of size reduction,
classification of equipments, crushers, grinders, disintegrators for coarse, intermediate and fine
grinding, power requirement, work index; Advanced size reduction techniques – Nano particle
fabrication – Top down approach – Bottom-up approach. Size enlargement – Importance of size
enlargement, principle of granulation, briquetting, palletization, and flocculation. Fundamentals of
particle generation.
UNIT III PARTICLE SEPARATION (GAS-SOLID AND LIQUID-SOLID SYSTEM) PC3352 Mechanical Operations Important Questions
Gravity settling, sedimentation, thickening, elutriation, double cone classifier, rake classifier, bowl
classifier. Centrifugal separation – continuous centrifuges, super centrifuges, design of basket
centrifuges; industrial dust removing equipment, cyclones and hydro cyclones, electrostatic and
magnetic separators, heavy media separations, floatation, jigging
UNIT IV FILTRATION AND FILTRATION EQUIPMENTS PC3352 Mechanical Operations Question Paper
Theory of filtration, Batch and continuous filters, Flow through filter cake and filter media,
compressible and incompressible filter cakes, filtration equipments – selection, operation and
design of filters and optimum cycle of operation, filter aids.
UNIT V MIXING AND PARTICLE HANDLING PC3352 Mechanical Operations Question Bank
Mixing and agitation – Mixing of liquids (with or without solids), mixing of powders, selection of
suitable mixers, power requirement for mixing. Storage and Conveying of solids – Bunkers, silos,
bins and hoppers, transportation of solids in bulk, Powder hazards, conveyer selection, different
types of conveyers and their performance characteristics.
| Syllabus | Click Here |
| Notes | Click Here |
| Important Questions | Click Here |
| Previous Year Question Paper | Click Here |
| Question Bank | Click Here |
TEXT BOOKS: PC3352 Mechanical Operations Important Questions
1. McCabe, W.L., Smith, J.C., and Harriot, P., “Unit Operations in Chemical Engineering”, 7th Edn., McGraw-Hill, 2005.
2. Badger W.L. and Banchero J.T., “Introduction to Chemical Engineering”, Tata McGraw Hill,
1997.
3. Foust, A. S., Wenzel, L.A., Clump, C.W., Naus, L., and Anderson, L.B., “Principles of Unit
Operations”, 2nd Edn., John Wiley & Sons, 1994.
4. Hiroaki Masuda , KoHigashitani and Hideto Yoshida, Powder Technology Handbook, 3rd
Edition.
REFERENCES: PC3352 Mechanical Operations Notes
1. Coulson, J.M. and Richardson, J.F., “Chemical Engineering” Vol. II, 4
th Edn., Asian Books
Pvt. Ltd., India, 1998.
2. Christie J. Geankoplis, Transport processes and unit operations.
3. Sunggyu Lee, Kimberly H. Henthorn, Particle Technology and Applications.
4. Martin Rhodes, Introduction to Particle Technology, Second Edition.
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