Mechanical Operations [D.C] CHE 3rd Sem Syllabus for VTU BE 2017 Scheme

Mechanical Operations [D.C] detail syllabus for Chemical Engineering (Che), 2017 scheme is taken from VTU official website and presented for VTU students. The course code (17CH34), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below.

For all other che 3rd sem syllabus for be 2017 scheme vtu you can visit CHE 3rd Sem syllabus for BE 2017 Scheme VTU Subjects. The detail syllabus for mechanical operations [d.c] is as follows.

Course Objectives:

The students will

1. Study different properties of particulate solids, handling and mixing of solid particles.
2. Study principles of comminution and different types of equipment for size reduction like crushers, grinders etc.
3. Understand mechanical separation aspect such as screening, filtration, sedimentation, transportation of solids etc.
4. Understand energy requirements in solids handling, agitation and mixing, solid conveying and storage.
5. Hands on experience of working by conducting experiments on some of the basic unit operations such as separation and size reduction.
6. Present seminar on current separation techniques and submit the report on the same.

Module 1

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Module 2

SIZE REDUCTION: Introduction – types of forces used for comminution, Criteria for comminution, Characteristics of comminuted products, Laws of size reduction, Work Index, Energy utilization, methods of operating crushers -Free crushing, choke feeding, open circuit grinding, Closed circuit grinding, wet and dry grinding, Equipment for size reduction – Classification of size reduction equipment, equipment – Blake jaw crusher, Gyratory crusher, Smooth roll crusher, Toothed roll crusher, impactor, Attrition mill, Ball mill, Critical speed of ball mill, Ultra fine grinders, Fluid energy mill, colloid mill, Cutters – Knife cutter.

Module 3

FLOW OF Drag, Drag Plummer, Er fluidization Slurry transp FLUID PAST IMMERSED BODIES: coefficient, Pressure drop – Kozeny-Carman equation, Blake-gun equation, Fluidization, conditions for fluidization, Minimum velocity, Types of fluidization, Applications of fluidization, ort, Pneumatic conveying.
MOTION OF PARTICLES THROUGH FLUIDS: Mechanics of particle motion, Equation for one dimensional motion of particles through a fluid in gravitational and centrifugal field, Terminal velocity, Drag coefficient, Motion of spherical particles in Stoke’s region, Newton’s region, and Intermediate region, Criterion for settling regime, Hindered settling, Modification of equation for hindered settling, Centrifugal separators, Cyclones and Hydro cyclones.

Module 4

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Module 5

AGITATIO Application Propellers, Prevention, calculation, mixers, Mix mixer. N AND MIXING: of agitation, Agitation equipment, Types of impellers -Paddles and Turbines, Flow patterns in agitated vessels, f swirling, Standard turbine design, Power correlation and power Mixing of solids, Types of mixers – Change can mixers, Muller ing index, Ribbon blender, Internal screw mixer, Tumbling
SAMPLING, STORAGE AND CONVEYING OF SOLIDS: Sampling of solids, Storage of solids, Open and closed storage, Bulk and bin
storage, Conveyors – Belt conveyers, Chain conveyor, Apron conveyor, Bucket conveyor, Screw conveyor.
MISCELLANEOUS SEPARATION: Magnetic separation, Electrostatic separation, Jigging, Heavy media separation, Froth floatation process, Additives used during floatation, Floatation cells, Typical floatation circuits, Size enlargement (only principle and equipment) – Flocculation, Briquetting, Pelletization, Granulation.

Course Outcomes:

The students are expected to do the following

1. Classify and suggest different type of separation processes required for the feed material.
2. Suggest different types of size reduction methods such as crushing, grinding, milling depending on the type and size of the material.
3. Calculate the power requirements for different type of mechanical operations.
4. Select different type of conveying methods.
5. Hands on experience on various separation and size reduction experiments.

Graduate Attributes (as per NBA):

• Problem analysis.
• Design/development of solutions.

Question paper pattern:

• The question paper will have ten questions.
• Each full Question consisting of 20 marks
• There will be 2 full questions(with a maximum of four sub questions) from each module.
• Each full question will have sub questions covering all the topics under a module.
• The students will have to answer 5 full questions, selecting one full question from each module.

Text Books:

1. McCabe, W.L., et.al., Unit Operations in Chemical Engineering, 5thedn., McGraw Hill International, Singapore, 2000.
2. Badger W.L. and Banchero J.T., Introduction to Chemical Engineering, 3rdedn. Tata McGraw Hill International Edition, Singapore , 1999.
3. Coulson J.H. and Richardson J.F., Coulson and Richardson’s Chemical Engineering, Vol-II Particle Technology and Separation Process, 6 edn., Asian Books Pvt. Ltd., New Delhi, 1998.

Reference Books:

1. Brown G.G., et.al., Unit Operations, 1stedn., CBS Publisher, New Delhi, 1995.
2. Foust A.S., et.al., Principles of Unit Operations, 3rdedn., John Wiley and Sons, New York, 1997.

For detail syllabus of all other subjects of BE Che, 2017 scheme do visit Chemical Engineering 3rd Sem syllabus for 2017 scheme.

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