GTUT DIPLOMA Engineering Chemistry GTU 21 Course (I - Electrical - 4300006)

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Syllabus Engineering Chemistry - (4300006) Total Credits (L+T+P/2) Examination Scheme C Theory Marks Practical Marks Total Marks CA ESE CA ESE 4 30 70 25 25 150 Unit Unit Outcomes (UOs) Topics and Sub-topics Unit - I Atomic Structure, Chemical Bonding and Solutions 1a. Apply the different atomic theories, models and principles for structural illustration. 1.1 Atomic Structure : Concepts of orbit and orbital, Pauli’s exclusion principle. 1b. Explain Pauli’s exclusion principle, Hund's rule and Aufbau rule with examples. 1.2 Hund’s rule of maximum multiplicity. 1c. Write the electronic configurations of different elements. 1.3 Aufbau rule, electronic configuration of atom (up to atomic number 30) 1d. Describe the different types of chemical bonds. 1.4 Chemical Bonding : Concept of chemical bonding, types of chemical bonds, Ionic bond, and its characteristics (example NaCl), Covalent bond and its characteristics (example H2, O2, N2, HF, NH3, H2O, CH4), Coordinate covalent bond (example NH4+, H3O+), Metallic bond and its characteristics, Hydrogen bonding, its types, and Significance, Intermolecular force of attraction. 1e. Differentiate among the ionic, covalent and coordinate compounds based on the type of chemical bonding. 1f. Explain various properties of Materials depending upon bond formation. 1.5 Molecular arrangement in solid, liquid and gases, Structure of solids - Molecular solid, Ionic solid, Network solid, and Metallic solid. 1g. Prepare the solution of given concentrations (Normality, Molarity). 1.6 Solutions : The Idea of solute and solution, Methods to express the concentration of solution - Normality, Molarity (M = mole per liter), ppm, mass percentage, volume percentage, and mole fraction. (Chapter - 1) Unit - II Concepts of Electrochemistry 2a. Explain the theory of ionization and the factors affecting it. 2.1 Arrhenius theory of ionization. 2b. Describe pH value and its industrial application. 2.2 Electronic concept of oxidation, reduction, and redox reactions. 2c. Describe different types of buffer solutions and their application. 2.3 Degree of ionization and factors affecting the degree of ionization. 2d. Differentiate electrolyte and nonelectrolyte. 2.4 Definition of pH, pH of acid, base and neutral solution, pH calculations for acid, base, and salt solutions at different concentrations, Importance of pH in various fields. 2e. Describe the construction and working of an electrochemical cell and standard hydrogen electrode (SHE) 2.5 Definition of buffer solution, buffer action and types of buffer solution, Application of buffer solution. 2f. State the Nernst equation and Faraday's laws of electrolysis and its application. 2.6 Definition of terms : electrolytes, non-electrolytes with suitable examples, Types of electrolytes. 2g. Use the different electrolysis process such as electro metallurgy, electroplating and electrorefining to solve wide variety of industrial problems. 2.7 Construction and working of Electrochemical Cell. 2.8 Construction and working of Standard Hydrogen Electrodes (SHE). 2.9 Nernst theory of single electrode potential and Nernst equation. 2.10 Electrochemical series. 2.11 Electrolysis, Faraday’s laws of electrolysis. 2.12 Industrial application of electrolysis : Electro metallurgy, electroplating, and electro refining. (Chapter - 2) Unit - III Corrosion of metals and its prevention 3a. Describe the various types of corrosion. 3.1 Corrosion : Dry or Chemical corrosion : Oxidation corrosion- mechanism, Corrosion by other gases. 3b. Identify the different factors affecting the rate of corrosion. 3.2 Wet or Electrochemical corrosion- H2 liberation and O2 absorption mechanism of electrochemical corrosion. 3c. Explain the various type of protective measures to prevent corrosion. 3.3 Galvanic corrosion mechanism. 3d. Select relevant method to prevent metal from corrosion. 3.4 Concentration cell corrosion. 3.5 Pitting corrosion, Waterline and Crevice corrosion. 3.6 Factors affecting the rate of corrosion : Nature of the metal, Nature of surface film, Relative areas of the anodic and cathodic parts, Purity of metal, Temperature, Humidity of air, Influence of pH. 3.7 Internal and External corrosion preventive measures : Modification of environment, Modification of the properties of metal, Use of protective coatings, Anodic and cathodic protection, Modification in design and choice of material. (Chapter - 3) Unit - IV Fuels and Combustion 4a. Classify various types of fuels. 4.1 Definition and Classification of fuels, Calorific values and their units. Determination of calorific value using a bomb calorimeter. 4b. Calculate the calorific value of various fuels using Dulong’s formula. 4.2 Characteristics of good fuel. 4c. Determine proximate analysis of coal for assessing its quality for domestic and industrial use. 4.3 Comparison between solid, liquid, and gaseous fuels. 4d. Assess the efficiency of coal by determining the calorific value of fuel. 4.4 Theoretical calculation of HCV and LCV of fuel using Dulong’s formula. 4e. State the significance of octane and cetane number. 4.5 Solid fuels : Coal, Classification of coal, Proximate and ultimate analysis of coal. 4f. Justify the need for alternative fuels. 4.6 Liquid fuels : Petroleum, Origin of petroleum and classification of petroleum, Refining of petroleum. 4.7 Petrol and Diesel-fuel rating (Octane and Cetane numbers), Power alcohol and Bio-diesel. 4.8 Chemical composition, Calorific values, and Applications of LPG, CNG, water gas, coal gas, producer gas, and biogas. (Chapter - 4) Unit - V Lubricants 5a. Explain terms lubricant and lubrication. 5.1 lubricants and Lubrication, Functions of lubricants. 5b. Describe the types of lubricants. 5.2 Mechanism of Lubrication : Fluid lubrication, Boundary lubrication. Classification of lubricant with examples : Solid, Semi-solid, liquid and synthetic lubricants. 5c. Describe the physical and chemical properties of a lubricant. 5.3 Physical Properties of lubricants : Viscosity and viscosity index, Flash and fire point, Cloud and pour point, Oiliness. 5d. Selection of proper lubricants for engineering use. 5.4 Chemical properties of lubricants : Saponification number, Neutralization number, Emulsification number 5e. Select relevant lubricant based on their function and characteristic properties for use in different kind of machinery. 5.5 Selection of lubricants for different types of Machinery like: Gears, Cutting tools, Steam turbine, Transformers. 5f. Determine viscosity, flash and fire point of given lubricant for their specific use. 5.6 Biodegradable lubricants. (Chapter - 5) 5g. State the biodegradable lubricants. Unit - VI Polymers, Elastomers, and Insulating Materials 6a. Classify Polymers based on molecular structures and monomers. 6.1 Definition of Monomer, Polymer and Polymerization. 6b. Differentiate thermoplastic and thermosetting polymers with examples. 6.2 Classification of Polymers based on molecular structure : Linear Polymers, branched polymers, Cross-linked polymers. 6c. Explain polymerization reactions with examples. 6.3 Classification of polymers based on Monomer : Homopolymer, Copolymer. 6d. Describe the applications of thermoplastic and thermosetting polymers. 6.4 Classification of polymers based on thermal behaviour : Thermoplastics and Thermosetting polymers. 6e. Describe the application of biodegradable polymers. 6.5 Types of polymerizations : Addition and condensation polymerization 6f. Explain the properties and application of synthetic rubbers. 6.6 Simple reactions involved in the preparation and their properties and application of thermoplastics and thermosetting polymers : Polyethylene, Polypropylene, Polyvinyl chloride, Polytetrafluoroethylene (Teflon), Polystyrene, Polyacrylonitrile, Bakelite, Epoxy resins. 6g Explain the process of vulcanization of rubber. 6.7 Biodegradable Polymers : Introduction, chemical composition, and application : Polyβ- hydroxybutyrate–co-β-hydroxy valerate (PHBV), Nylon-2–nylon-6. 6h Use relevant insulating materials for engineering applications. 6.8 Rubber : Natural rubber and its properties, Vulcanization of rubber, Synthetic rubber - simple reaction involved in the preparation and their properties and application : Buna-S rubber, Buna-N rubber, Neoprene rubber. 6.9 Insulating Materials : Types and Properties of Insulating materials, Application of Thermal and Electrical Insulating Materials. (Chapter - 6) Unit - VII Electrochemical Energy Sources 7a Describe the construction and working of various batteries. 7.1 Batteries : An electrochemical source of energy, Types of Batteries : Primary, Secondary and Fuel batteries 7b Explain the working of fuel cell. 7.2 Dry cell - construction and working. 7c Describe the solar cells. 7.3 Lead-acid storage cell - construction and working. 7d Use the different types of fuel cells based on their mechanism and characteristics. 7.4 Nickel/Cadmium battery - construction and working. 7.5 Fuel cells - definition, example Hydrogen fuel cell, and biochemical fuel cell, Characteristics of fuel cells, Solar Cells. (Chapter - 7)

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Pages: 248 Edition: 2022 Vendors: Technical Publications