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Note for Engineering Chemistry-2 - EC2 by Engineering Kings

  • Engineering Chemistry-2 - EC2
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  • ANNA UNIVERISTY - HITECH
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CY6251 3 4 SCE 2.10 Corrosion Control 2.10.1 By modifying metal 2.10.2 BY modifying the environment 2.11 Paints 2.11.1 Characteristics of a good paint 2.11.2 Constituents and their functions of paints 2.12 Metallic Coatings 2.12.1Electroplating 2.12.2 Electroless Plating 2.13 Glossary UNIT – III ENERGY SOURCES 3.1 Introduction 3.2 Nuclear Energy 3.2.1 Nuclear Fission 3.2.2 Nuclear fusion 3.2.3 Nuclear chain reaction 3.3 Nuclear reactor 3.3.1 Light water Nuclear Reactor 3.3.2 Breeder Reactor 3.4 Solar Energy 3.4.1 Solar energy conversion 3.4.2 Solar cell 3.4.3 Application of Solar Cells 3.5 Wind Energy 3.5.1 Wind Mill 3.6 Batteries 3.6.1 Types of batteries 3.6.2 Alkaline Battery 3.6.3 Lead Storage Battery 3.6.4 Nickel-Cadmium Battery 3.6.5 Lithium Battery 3.7 Fuel Cells 3.7.1 Hydrogen Oxygen Fuel Cell 3.8 Glossary UNIT – IV ENGINEERING MATERIALS 4.1 Introduction 4.2 Abrasives 4.2.1 Properties of Abrasives 4.2.2 Classification of Abrasives 4.2.3 Applications of Abrasives 4.3 Refractories 4.3.1 Characteristics of Refractories 4.3.2 Classification of Refractories 4.3.3 Properties of Refractories 4.3.4 Manufacturing of Refractories 4.4 Portland Cement 4 NGINEERING CHEMISTRY - II 48 48 51 52 52 52 53 53 54 56 57 57 57 57 57 57 59 59 60 61 61 61 61 63 63 64 64 64 65 65 66 68 68 70 71 71 71 71 71 71 72 72 73 73 74 74 Dept.of S & H

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CY6251 5 SCE NGINEERING CHEMISTRY - II 4.4.1 Chemical composition of Portland cement 4.4.2 Manufacturing methods 4.4.3 Setting and hardening 4.4.4 Other types of cements 4.5 Glass 4.5.1 Properties of glass 4.5.2 Manufacturing of glass 4.5.3 Types and uses of glass 4.6 Glossary UNIT V FUELS AND COMBUSTION 5.1 Definition 5.1.1 Characteristics for good fuel 5.2.1 Calorific value: 5.2.2 Gross or high calorific value (gcv) 5.2.3 Net or lower calorific value(ncv) 5.2.4 Theoretical calculation of calorific value ( dulong‟s formula) 5.3 Solid fuel 5.3.1 Advantages of solid fuels: 5.3.2 Disadvantages of solid fuels: 5.4 Coal 5.4.1 Proximate analysis & 5.4.2 significance of proximate analysis 5.5 Carbonization of metallurgical coke 5.5.1 Metallurgical coke 5.5.2 Otto-Hoffman‟s method 5.5.3 Recovery of by-products 5.5.4 Advantages of otto hoffman‟s process 5.6 Liquid fuels 5.6.1 Advantages of liquid fuels, disadvantages of liquid fuels 5.6.2 Petroleum 5.6.3 Refining of petroleum or crude oils 5.7. Knocking 5.7.1 Causes of knocking in S.I (petrol) engines 5.7.2 Improvement of anti knock characteristics 5.7.3 Octane number or octane rating 5.7.4Anti-knock agent 5.7.5Causes of knocking in C.I (diesel) engines 5.7.6 Cetane number or cetane rating 5.7.8 Diesel index 5.8. Hydrogenation of coal 5.8.1 Bergius process (indirect method) 5.8.2 Fischer-tropics process (indirect method) 5.9 Gaseous fuels 5.9.1. Compressed natural gas (CNG) 5.9.2 Producer gas 5.9.3. Water gas 5.9.4 LPG- liquefied petroleum gas 5 74 75 78 77 77 77 78 78 80 82 82 82 82 82 82 83 83 83 83 83 83 84 84 84 85 85 85 85 86 86 87 87 87 87 87 88 88 88 89 89 90 90 91 91 92 93 Dept.of S & H

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CY6251 6 7 NGINEERING CHEMISTRY - II 5.10 GLOSSARY QUESTION BANK UNIVERSITY QUESTIONS CY6251 97 98 158 ENGINEERING CHEMISTRY-II L T P C 3 0 0 3 og sp ot. in OBJECTIVES:  To make the students conversant with boiler feed water requirements, related problems and water treatment techniques.  Principles of electrochemical reactions, redox reactions in corrosiion of materials and methods for corrosion prevention and protection of materials.  Principles and generation of energy in batteries, nuclear reactors, solar cells, wind mills and fuel cells.  Preparation, properties and applications of engineering materials.  Types of fuels, calorific value calculations, manufacture of solid, liquid and gaseous fuels. .bl UNIT I WATER TECHNOLOGY 9 Introduction to boiler feed water-requirements-formation of deposits in steam boilers and heat exchangers- disadvantages (wastage of fuels, decrease in efficiency, boiler explosion) prevention of scale formation -softening of hard water -external treatment zeolite and demineralization- internal treatment- boiler compounds (phosphate, calgon, carbonate, colloidal) - caustic embrittlement-boiler corrosion-priming and foamingdesalination of brackish water –reverse osmosis. Ci vil da tas UNIT II ELECTROCHEMISTRY AND CORROSION 9 Electrochemical cell - redox reaction, electrode potential- origin of electrode potentialoxidation potential- reduction potential, measurement and applications - electrochemical series and its significance - Nernst equation (derivation and problems). Corrosioncauses- factors- types-chemical electrochemical corrosion (galvanic, differential aeration), corrosion control - material selection and design aspects - electrochemical protection – sacrificial anode method and impressed current cathodic method. Paints- constituents and function. Electroplating of Copper and electroless plating of nickel. , UNIT III ENERGY SOURCES 9 Introduction- nuclear energy- nuclear fission- controlled nuclear fission- nuclear fusiondifferences between nuclear fission and fusion- nuclear chain reactions- nuclear reactor power generatorclassification of nuclear reactor- light water reactor- breeder reactor- solar energy conversion- solar cells- wind energy. Batteries and fuel cells:Types of batteriesalkaline battery- lead storage batterynickel- cadmium battery- lithium battery- fuel cell H2 O2 fuel cell- applications. UNIT IV ENGINEERING MATERIALS 9 6 SCE Dept.of S & H

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CY6251 NGINEERING CHEMISTRY - II Abrasives: definition, classification or types, grinding wheel, abrasive paper and cloth. Refractories: definition, characteristics, classification, properties – refractoriness and RUL, dimensional stability, thermal spalling, thermal expansion, porosity; Manufacture of alumina, magnesite and silicon carbide, Portland cement- manufacture and properties setting and hardening of cement, special cement waterproof and white cement–properties and uses. Glass - manufacture, types, properties and uses. sp ot. in UNIT V FUELS AND COMBUSTION 9 Fuel: Introduction- classification of fuels- calorific value- higher and lower calorific valuescoalanalysis of coal (proximate and ultimate)- carbonization- manufacture of metallurgical coke (Otto Hoffmann method) - petroleum- manufacture of synthetic petrol (Bergius process)- knocking- octane number - diesel oil- cetane number - natural gas- compressed natural gas(CNG)- liquefied petroleum gases(LPG)- producer gas- water gas. Power alcohol and bio diesel. Combustion of fuels: introduction- theoretical calculation of calorific value- calculation of stoichiometry of fuel and air ratioignition temperature- explosive range - flue gas analysis (ORSAT Method). TOTAL: 45 PERIODS .bl og OUTCOMES: The knowledge gained on engineering materials, fuels, energy sources and water treatment techniques will facilitate better understanding of engineering processes and applications for further learning. tas TEXT BOOKS: 1. Vairam S, Kalyani P and SubaRamesh.,“Engineering Chemistry”., Wiley India PvtLtd.,New Delhi., 2011 2. Dara S.S and Umare S.S. “Engineering Chemistry”, S. Chand & Company Ltd., New Delhi , 2010 Ci vil da REFERENCES: 1. Kannan P. and Ravikrishnan A., “Engineering Chemistry”, Sri Krishna Hi-tech Publishing Company Pvt. Ltd. Chennai, 2009. 2. AshimaSrivastava and Janhavi N N., “Concepts of Engineering Chemistry”, ACME Learning Private Limited., New Delhi., 2010. 3. RenuBapna and Renu Gupta., “Engineering Chemistry”, Macmillan India Publisher Ltd., 2010. 4. Pahari A and Chauhan B., “Engineering Chemistry”., Firewall Media., New Delhi., 2010 7 SCE Dept.of S & H

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