C012 ENGINEERING CHEMISTRY

Theory–3 Credits

Laboratory–1 Credit

Section I

Unit No 01: Water Chemistry

1.1 Introduction, water quality parameters like pH, acidity, alkalinity, total solids, Dissolved oxygen, chlorides (definitions & permissible limits as per BIS), BOD, COD, (Definition, Determination & Significance).

1.2 Hardness: types of hardness (temporary/ permanent), Calcium carbonate equivalent hardness and its calculations. (Numerical problems on hardness),

1.3 Scale and sludge in boilers: Formation, disadvantages and prevention.
Softening of water by Ion exchange process and reverse osmosis process.

1.4 Treatment of water for domestic purpose by aeration, sedimentation with coagulation process. Disinfection of water by chloramine, bleaching powder, chlorine and ozone.

Unit No 02: Organic reactions and Synthesis of Drug Molecules

2.1 Introduction to organic reactions: Addition, substitution, elimination and rearrangement (no mechanism)

2.2 Synthesis and uses of commonly used drug molecules: Paracetamol, Aspirin and Ibuprofen.

Unit No 03: Lubricants

3.1 Lubricants & lubrication, functions, classification of lubricants: Solid, semisolid and liquid.

3.2 Characteristic properties of lubricants (only definition) such as viscosity, viscosity index, flash point & fire point, cloud point & pour point, aniline point, oiliness, saponification value & acid value (numerical problems on saponification & acid value)

3.3 Types of lubrication such as fluid film, boundary (thin film) and extreme pressure. Selection of lubricants for cutting tools, I.C. engine, gears, transformers, delicate instruments & refrigeration system.

Unit No 04: Corrosion

4.1 Corrosion: definition, classification
Dry corrosion: oxidation corrosion: nature of oxide film.
Wet corrosion – electrochemical corrosion: Hydrogen evolution mechanism, oxygen absorption mechanism.

4.2 Factors influencing corrosion, testing and measurement of corrosion by weight loss method and electrical resistance method

4.3 Prevention of corrosion by: cathodic protection, anodic protection by anodizing and potentiostat.
Protective coatings: methods of application of metal coatings such as hot dipping (galvanization & tinning), metal cladding.

Section II

Unit No 05: : Metals, Alloys & Ceramics

5.1 Metallic Materials: types of iron: cast iron, steel and wrought iron: composition, properties and applications.
Alloys: definition, purposes of making alloys.

5.2 Ceramics: definition, classification, properties.
Glass: general properties, general method of manufacture of glass, types of glasses: soft, hard, borosilicate, optical, laminated and safety glass.

Unit No 06: Fuels

6.1 Introduction, classification, characteristics of good fuel, comparison between solid, liquid and gaseous fuel, calorific value (gross and net),

6.2 Determination of calorific value by bomb calorimeter and Boy’s calorimeter. Dulong’s formula for calorific value. (numerical problems on calorific value.)

6.3 Petroleum: introduction, composition, classification, origin, refining of crude oil.
Biodiesel:introduction, preparation, advantages and disadvantages.

Unit No 07: Polymers

7.1 Polymerization, types of polymerization (no mechanism), degree of polymerization (DP), numerical problems on degree of polymerization, number average molecular weight (definitions and numerical problems)

7.2 Plastics: definition, properties, types of plastics (thermo softening and thermosetting), properties and applications of PVC and PET, molding of plastic into articles: compression, extrusion and injection.

7.3 Rubber:Classification, isolation of natural rubber, vulcanization, properties and applications of Buna-S and Thiokol rubbers.
Biodegradable Polymers: Introduction, examples with applications.

Unit No 08: Modern Analytical Techniques

8.1 Concentration of solution-: molarity, normality, mole fraction (definition and numerical problems),

8.2 Chromatography: definition, types.
GLC: definition, instrumentation and application of GLC.
Thermal analysis: definition of TGA, instrumentation and application of TGA.

Text Books:
1. A text book of Engineering Chemistry, S.S. Dara, S S Umare, S Chand
2. A text book of Engineering Chemistry, Shashi Chawala, Dhanpat Rai & Co
3. A text book of Experiments and Calculations in Engineering Chemistry, S.S. Dara. S Chand

Reference Books:
1. Engineering Chemistry, Jain and Jain, Dhanpat Rai & Co
2. Engineering Chemistry, M. Subha Ramesh, Dr. S. Vairan-Ed.-IInd Wiley
3. Instrumental Methods of chemical analysis, Chatwal and Anand,Himalaya Pub House
4. Industrial Chemistry, B.K.Sharma,Goyal
5. Chemistry for Engineers, Rajesh Agnihotri, Wiley
6. Fundamentals of Engineering Chemistry, S.K.Singh, New Age Int.
7. Engineering Chemistry (NPTEL Web book), B. L. Tembe, Kamaluddin & M. S. Krishnan.