Mechanical Operations
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Mechanical Operations Syllabus — Unit-wise Content
The official GTU curriculum for Mechanical Operations (subject code 3330502) as prescribed for MECHANICAL · Semester 3 divides the course into 7 units, covering 43 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3330502)Unit 1 Properties of Particulate Solids
- 1.1. Fundamentals of Unit operation and Unit process
- 1.2. Specific properties of solids : Particle density and Bulk density, diameter, sphericity, equivalent diameter, specific surface area, volume surface mean diameter, mass mean diameter, and shape factor
- 1.3. Calculation of particle diameter, sphericity, equivalent diameter, specific surface area, volume surface mean diameter, mass mean diameter, and shape factor, numbers of particles in solid
Unit 2 Screen Analysis
- 2.2.1. Cumulative analysis
- 2.2.2. Differential analysis
- 2.3. Applications of screen analysis
- 2.4. Capacity and effectiveness of screen
- 2.5. Derivation of formula for overall effectiveness of screen
- 2.6. Calculation of capacity and effectiveness of screen
- 2.8. Types of screen: Trommel, Grizzlies, Vibrating screen
Unit 3 Size Reduction
- 3.1. Principles of Size reduction and its application
- 3.2. Classification, comparison and selection of size reduction equipments based on size reduction principle
- 3.3. Characteristics of comminution products
- 3.4. Energy and power required in comminution
- 3.5. Laws of size reduction: (i) Rittingers law (ii) Bond's law (iii) Kick's law
- 3.6. Calculation of power required for size reduction using empirical laws
- 3.8. Principle, construction and working of Jaw crusher, Gyratory crusher, Fluid Energy mill, Ribbon Blender, Roll crusher, and Ball Mill
- 3.11. Difference between open and close circuit grinding
Unit 4 Sedimentation
- 4.1. Fundamentals of sedimentation
- 4.2. Batch sedimentation
- 4.3. Inter phase height Vs time curve for Batch sedimentation
- 4.4. Principle of flocculation
- 4.5. Principle, construction and working of Gravity thicker
- 4.8. Principle, construction and working of Cyclone separator
- 4.9. Cut diameter and efficiency of cyclone
- 4.10. Terminal settling velocity Stoke’s law and Newton's law
Unit 5 Filtration
- 5.1. Basics of filtration
- 5.2. Classification of equipments for liquid-solid separation
- 5.5. Basics of Filter aids
- 5.6. Method of application
- 5.7. Constant rate filtration and constant pressure filtration Mechanical Operations Course code: 3330502 GTU/NITTTR/Bhopal/12-13 Gujarat State 4 Unit Major Learning Outcomes Topics and Sub-topics
- 5.8. Brief description of specific cake resistance and filter media resistance for constant rate, constant pressure and vacuum filtration (without numerical)
Unit 6 Separation of Solid Particles
- 6.2. Factors affecting selection of equipment for solid separation
- 6.3. Working principle and construction of a) Jigging b) Elutriation c) Double cone classifier d) Electrostatic precipitator e) Magnetic separator f) Froth flotation cell
Unit 7 Agitation and Mixing
- 7.2. Classification of Impellers and brief explanation
- 7.3. Vortex formation and swirling
- 7.4. Methods of Vortex prevention
- 7.4. Construction and working of agitation vessel
- 7.5. Derivation of equation for power consumption in agitation vessel
- 7.6. Calculations of power consumption in baffled and unbaffled tank
- 7.10. Factors affecting selection of mixing equipments Mechanical Operations Course code: 3330502 GTU/NITTTR/Bhopal/12-13 Gujarat State 5 Unit Major Learning Outcomes Topics and Sub-topics
- 7.11. Rate of mixing and mixing index for pastes & powder
- 7.12. Calculation of mixing index
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