Book Details

Engineering Chemistry

Engineering Chemistry

Published by uLektz

Course Code:15CHE12

Author:uLektz

University: Visvesvaraya Technological University, Karnataka (VTU)

Regulation:2015

Categories:Engineering Chemistry

Format : ico_bookePUB3 (DRM Protected)

Type :eBook

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Description :Engineering Chemistry of 15CHE12 covers the latest syllabus prescribed by Visvesvaraya Technological University, Karnataka (VTU) for regulation 2015. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT - I ELECTROCHEMISTRY AND BATTERY TECHNOLOGY

1.1 Electrochemistry: Introduction, Derivation of Nernst equation for electrode potential

1.2 Reference electrodes: Introduction, construction, working and applications of calomel and Ag/AgCl electrodes. Measurement of electrode potential using calomel electrode.

1.3 Ion selective electrode: Introduction; Construction and working of glass electrode, determination of pH using glass electrode- Concentration cells: Electrolyte concentration cells, numerical problems.

1.4 Battery Technology: Introduction, classification - primary, secondary and reserve batteries. Characteristics - cell potential, current, capacity, electricity storage density, energy efficiency, cycle life and shelf life. Construction, working and applications of Zinc- Air, Nickel- metal hydride batteries.

1.5 Lithium batteries: Introduction, construction, working and applications of Li-MnO2 and Li-ion batteries.

1.6 Fuel Cells: Introduction, difference between conventional cell and fuel cell, limitations & advantages. Construction, working & applications of methanol-oxygen fuel cell with H2SO4 electrolyte

UNIT - II CORROSION AND METAL FINISHING

2.1 Corrosion: Introduction, electrochemical theory of corrosion, galvanic series. Factors affecting the rate of corrosion: ratio of anodic to cathodic areas, nature of metal, nature of corrosion product, nature of medium – pH, conductivity, and temperature. Types of corrosion- Differential metal, differential aeration (Pitting and water line) and stress.

2.2 Corrosion control: Inorganic coatings- Anodizing of Al and phosphating; Metal coatings-Galvanization and Tinning. Cathodic protection (sacrificial anodic and impressed current methods).

2.3 Metal Finishing: Introduction, Technological importance. Electroplating: Introduction, principles governing-Polarization, decomposition potential and overvoltage. Factors influencing the nature of electro deposit-current density, concentration of metal ion & electrolyte; pH, temperature & throwing power of plating bath; additives- brighteners, levellers, structure modifiers & wetting agents. Electroplating of Nickel (Watt’s Bath) and Chromium(decorative and hard).

2.4 Electro less plating: Introduction, distinction between electroplating and electro less plating, electro less plating of copper & manufacture of double sided Printed Circuit Board with copper.

UNIT - III FUELS AND SOLAR ENERGY

3.1 Fuels: Introduction, classification, calorific value- gross and net calorific values, determination of calorific value of fuel using bomb calorimeter, numerical problems.

3.2 Cracking: Introduction, fluidized catalytic cracking, synthesis of petrol by Fishcher-Tropsch process, reformation of petrol, octane and cetane numbers. Gasoline and diesel knocking and their mechanism, anti knocking agents, power alcohol & bio diesel.

3.3 Solar Energy: Introduction, utilization and conversion, photovoltaic cells- construction and working.

3.4 Design of PV cells: modules, panels & arrays. Advantages & disadvantages of PV cells.

3.5 Production of solar grade silicon: Union carbide process, purification of silicon (zone refining), doping of silicon-diffusion technique (n&p types).

UNIT - IV POLYMERS

4.1 Introduction, types of polymerization: addition and condensation, mechanism of polymerization- free radical mechanism taking vinyl chloride as an example.

4.2 Molecular weight of polymers: number average and weight average, numerical problems.

4.3 Glass transition temperature (Tg): Factors influencing Tg - Flexibility, inter molecular forces, molecular mass, branching & cross linking and stereo regularity. Significance of Tg.

4.4 Structure property relationship: crystallinity, tensile strength, elasticity & chemical resistivity. Synthesis, properties and applications of PMMA (plexi glass), Polyurethane and polycarbonate.

4.5 Elastomers: Introduction, synthesis, properties and applications of Silicone rubber.

4.6 Adhesives: Introduction, synthesis, properties and applications of epoxy resin.

4.7 Polymer Composites: Introduction, synthesis, properties and applications of Kevlar.

4.8 Conducting polymers: Introduction, mechanism of conduction in Poly aniline and applications of conducting poly aniline.

UNIT - V WATER TECHNOLOGY AND NANOMATERIALS

5.1 Water Technology: Introduction, boiler troubles with disadvantages & prevention methods-scale and sludge formation, priming and foaming, boiler corrosion(due to dissolved O2, CO2 and MgCl2).

5.2 Determination of DO, BOD and COD, numerical problems on COD

5.3 Sewage treatment: Primary, secondary (activated sludge method) and tertiary methods. Softening of water by ion exchange process.

5.4 Desalination of sea water by reverse osmosis & electro dialysis (ion selective).

5.5 Nano Materials: Introduction, properties (size dependent). Synthesis-bottom up approach (sol-gel, precipitation, gas condensation & chemical vapour condensation processes).

5.6 Nano scale materials - carbon nano tubes, nano wires, fullerenes, dendrimers, nano rods, & nano composites.

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