BCH403 Mechanical Operations Syllabus
AKTU B.Tech · 4th Semester · Unit-wise syllabus (effective 2023-24)
BCH403 Mechanical Operations (also written as KCH403) is a subject in Semester 4 of the AKTU B.Tech programme, prescribed by Dr. A.P.J. Abdul Kalam Technical University. It carries 3 credits with an L-T-P of 2-1-0. The syllabus is divided into 5 units: Size Reduction, Particle Size Analysis, Particle Separation and Flow through Porous media (Filtration), Fluidization and Mixing and agitation, Storage and conveying of solids and SUBJECT CODE. The complete unit-wise topic list, course outcomes and reference books are given below, taken from the official AKTU syllabus effective from 2023-24.
BCH403 Subject Details
| Subject Code | BCH403 / KCH403 |
|---|---|
| Subject Name | Mechanical Operations |
| University | Dr. A.P.J. Abdul Kalam Technical University (AKTU) |
| Course | B.Tech (Bachelor of Technology) |
| Year / Semester | 2nd Year · 4th Semester |
| Credits | 3 |
| L-T-P | 2-1-0 |
| Total Units | 5 |
| Scheme Effective From | 2023-24 |
| Last Verified | 2026-08-15 |
BCH403 Mechanical Operations Unit-Wise Syllabus
Official AKTU syllabus (effective 2023-24) — 5 units.
Unit 1: Size Reduction
Hours Comprehensive overview of mechanical operations and their significance within the chemical process industry. Size Reduction: Methods of size reduction; Classification of equipment; Crushers; Grinders; Disintegrators for coarse, Intermediate and fine grinding; Laws of size reduction; Energy relationships in size reduction; power requirement; Work Index Size Enlargement: Principle of granulation; Briquetting; Palletization; Flocculation.
Unit 2: Particle Size Analysis
Particle Size Analysis: General characteristics of solids; Different techniques of size analysis; Shape factor; Surface area determination; Estimation of particle size; Screening methods and equipment; Screen efficiency; Ideal and actual screens. Standard screens industrial screening equipment - Gyratory screen, Vibrating screen, Sieve analysis, Sedimentation and elutriation methods.
Unit 3: Particle Separation · Flow through Porous media (Filtration)
Particle Separation: Gravity settling; Sedimentation; Thickening; Elutriation; Double cone classifier; Rake classifier; Bowl classifier; Centrifugal separation; Continuous centrifuges; Design of basket centrifuges; Industrial dust removing equipment; Cyclones; Hydro cyclones; Electrostatic- Magnetic separators; Heavy media separations; Floatation; Jigging. Flow through Porous media (Filtration): Theory of filtration, Batch and continuous filters, Filtration types of equipment; Rotary drum filter; Plate and frame filter; Leaf filter; Notch filter; Sand filter; Bag filter; Selection; Operation; Filter aids. Flow through filter cake and Filter media; Compressible and incompressible filter cakes; Design of filters and optimum cycle of operation.
Unit 4: Fluidization · Mixing and agitation
Fluidization: Fluidization characteristics, aggregative and particulate fluidization, voidage and minimum fluidization velocity, terminal velocity of particles; entrainment; pressure drop in fluidization. Mixing and agitation: Mixing of liquids (with or without solids); Mixing of powders; Ribbon blender; Screw blender; Double cone blender; High viscous mixer; Banbury mixer; Selection of suitable mixers; Power requirement for mixing
Unit 5: Storage and conveying of solids · SUBJECT CODE
Storage and conveying of solids: Bunkers; Silos; Bins; Hoppers; Transportation of solids in bulk; Conveyer selection; Types of conveyors; Belt Conveyor; Bucket conveyor; Screw conveyor; Pneumatic conveyor. SUBJECT CODE: BCH451 COURSE TITLE: CHEMICAL REACTION ENGINEERING LAB EXAM DURATION: 3 HOURS SEMESTER: IV (EVEN) PRE-REQUISITE : NIL L: 0 T: 0 P: 2 CREDITS: 1 OBJECTIVE: To provide the comprehensive knowledge of reaction engineering and chemical reactors.
BCH403 Course Outcomes
- EXAM DURATION: 3 HOURS SEMESTER: IV (EVEN)
- L: T: P:: 3: 0 : 0CREDITS: 3 PREREQUISITES: NIL
- OBJECTIVE:
- The objective of this course is to bestow upon the students a comprehensive understanding of
- particle size analysis, size reduction techniques, as well as the separation of solid particles from
- fluids and the intricate dynamics of flow through porous media.
- Demonstrate knowledge of size reduction and size enlargement, and examine their performance using
- applicable legal principles.
- Analyze and implement the principles of particle size analysis, screening apparatus types, and
- sedimentation and elutriation techniques.
- Explain the concept of Particle Separation and various Particle Separation Approaches
- Analysis, fluidization, and filtration, and demonstrate the concept of their respective applications.
- Demonstrate knowledge of agitation, and mixing, in addition to the storage and conveying of solids.
- REFERENCE BOOKS
- S.NO NAME OF AUTHORS/BOOKS /PUBLISHERS YEAR OF
- PUBLICATI
- McCabe W.L., Julian C Smith, Peter Harriott., “Unit Operations of
- ON/
- 1. Chemical Engineering”, McGraw Hill International. Singapore, 7e, REPRINT
- 2017
- 2017, ISBN: 978-9339213237.
- 2017
- Badger W.L. and Banchero J.T., “Introduction to Chemical Engineering”, 2017
- 2. McGraw Hill International Edition, Singapore, 1e, ISBN: 978 2005
- 2008
- 0074630501.
- Coulson J.M. and Richardson J.F., “Chemical Engineering, , Vol. 2.
- 3. Particle Technology and Separation Processes”, New Delhi, 6e Asian
- Books, ISBN: 978-8181473868.
- Brown G.G., Unit Operations, CBS Publishers & Distributors
- 4.
- A.S. Foust, L.A. Wenzel., Principles of Unit Operations”, John Wiley
- 5. and Sons. New York, 3e, ISBN: 978-8126518296.
- Internet based/ online resources:
- https://archive.nptel.ac.in/courses/103/107/103107123/
- https://archive.nptel.ac.in/courses/103/103/103103155/
BCH403 Reference Books
- To apply material balance on any chemical engineering unit operation.
- To apply energy balance on any chemical engineering unit operation
- To study the head loss in different types of Pipe fittings.
- To work on heat transfer problems
Frequently Asked Questions about BCH403
What is the syllabus of BCH403 Mechanical Operations?
The AKTU BCH403 Mechanical Operations syllabus is divided into 5 units: Size Reduction; Particle Size Analysis; Particle Separation and Flow through Porous media (Filtration); Fluidization and Mixing and agitation; Storage and conveying of solids and SUBJECT CODE. The complete topic list for each unit is published on this page, taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus effective from 2023-24.
How many units are there in BCH403?
BCH403 Mechanical Operations has 5 units in the AKTU syllabus, with an L-T-P (Lecture-Tutorial-Practical) structure of 2-1-0 and 3 credits.
Is BCH403 the same subject as KCH403?
Yes. AKTU renumbered its B.Tech subject codes from the 2022-23 session onwards, so the same subject appears as BCH403 and KCH403 depending on the scheme year. The syllabus content is the same.
Which semester is BCH403 taught in?
BCH403 Mechanical Operations is taught in Semester 4 of the 2nd year of the AKTU B.Tech programme.
How many credits is BCH403 worth?
BCH403 Mechanical Operations carries 3 credits in the AKTU evaluation scheme, with an L-T-P of 2-1-0.
Where can I download BCH403 previous year question papers?
AKTU B.Tech previous year question papers for every semester are available to download free on Ryzenstudy, with no login or registration required.
Is this the official AKTU syllabus for BCH403?
Yes. Every topic on this page is taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus document (AKTU B.Tech 2nd Year Chemical Engineering Syllabus), effective from 2023-24. A direct link to the original AKTU PDF is provided at the top of this page. Last verified on 2026-08-15.
Related AKTU Syllabus
Source: Dr. A.P.J. Abdul Kalam Technical University official syllabus — AKTU B.Tech 2nd Year Chemical Engineering Syllabus, effective from 2023-24. Ryzenstudy is not affiliated with AKTU. Content last verified on 2026-08-15.