ENGINEERING CHEMISTRY Ebook, presentation and lecture notes covering full semester syllabus
The topics covered in the attached e-books are:
UNIT I: Water Technology-I
Introduction, Effect of Water on Rocks and Minerals, Types of impurities in Water, Hardness of Water - Temporary and Permanent hardness. Units and inter conversions of Units. Estimation of hardness by EDTA Methods. Problems on Temporary and Permanent hardnesses. Analysis of Water - Alkalinity; Chlorides and Dissolved Oxygen. Disadvantages of Hard Water. Methods of Treatment of Water for Domestic Purposes - Sedimentation, Coagulation, Filtration, Disinfection - Sterilization, Chlorination,Break point chlorination, Ozonization. UNIT II: Water Technology-II
Water for Industrial purpose - Water for Steam Making-Boiler Troubles - Carry Over - Priming and Foaming, Boiler Corrosion, Scales and Sludges, Caustic Embrittlement. Water Treatment: - Internal Treatment - Colloidal, Phosphate, Calgon, Carbonate, Sodium aluminate Conditioning of Water. External Treatment - Lime-Soda Process, Zeolite Process, Ion- Exchange Process; - Numerical Problems. UNIT III: Science of Corrosion
Definition, Examples, Types of Corrosion: Theories of Corrosion and Mechanism - Dry Corrosion, (Direct Chemical attack), Wet Corrosion, (Electro Chemical Theory) Principles of Corrosion, Galvanic Series, Galvanic Corrosion, Concentration Cell Corrosion, Mechanism of Wet Corrosion - Hydrogen evolution type, Oxygen absorption type. Factors Influencing Corrosion. Control of Corrosion - Proper Design, Use of pure metal and metal alloys, Passivity, Cathodic Protection - Sacrificial anode and Impressed Current. Modifying the Environment, use of Inhibitors. UNIT IV: Protective Coatings and their applications
Surface Preparation: (1) Solvent Cleaning (2) Alkali Cleaning (3) Pickling and Etching (4) Sand Blasting (5) Mechanical Cleaning.
Types of Protective Coatings: Metallic Coatings - Anodic Coatings, Galvanization, Cathodic Coatings - Tinning, Metal Cladding, Electroplating Ex: Chromium Plating, Metal Spraying, Cementation-Sheradizing, Colourizing, Chromizing.
Chemical Conversion Coatings: (1) Phosphate (2) Chromate (3) Anodized Coatings. UNIT V: Polymer Science and Technology
Polymerization Reactions - Basic concepts. Types of Polymerization - Addition and Condensation Polymerizations. Plastics -Thermosetting and Thermoplastics - Differences. Compounding and Moulding of Plastics - Compression, Injection, Transfer, and Extrusion molding methods. Preparation, Properties and Engineering Uses of the Following: Polyethylene, PVC, Teflon, Bakelite, Nylon, Polyester, Polyurethane and Silicone Resins. Rubber - Processing of Natural Rubber, Vulcanization and Compounding. Elastomers - Buna S, Buna N, Thiokol. Polyurethane Rubber. UNIT VI: Refractories and Insulators
Refractories - Definition, Classification With Examples; Criteria of a Good Refractory Material; Causes for the failure of a Refractory Material; Insulators - Definition and Classification with Examples; Characteristics of Insulating Materials; Thermal Insulators, Electrical Insulators - Their Characteristics and Engineering Applications. UNIT VII: Lubricants
Principles and function of lubricants - Types of Lubrication and Mechanism - Thick Film or Hydrodynamic Lubrication, Thin Film or Boundary Lubrication, Extreme Pressure Lubrication. Classification and properties of lubricants-Viscosity, flash and fire point, cloud and pour point, aniline point, Neutralization Number and mechanical strength. UNIT VIII: Inorganic Cementing Materials
Cement: Important Parameters for Manufacturing Cement Clinkers. Chemical Constituents and Composition of Cement. Methods of Manufacture of Cement - Wet and Dry Processes. Additives for Cement. Properties of Cement - Setting and Hardening. Types of Portland Cement.