3 Review(s)

Syllabus Engineering Chemistry - (CH102BS / CH202BS) UNIT - I : Water and its treatment Introduction to hardness of water - Estimation of hardness of water by complexometric method and related numerical problems. Potable water and its specifications - Steps involved in the treatment of potable water - Disinfection of potable water by chlorination and break - point chlorination. Defluoridation - Determination of F– ion by ion - selective electrode method. Boiler troubles : Sludges, Scales and Caustic embrittlement. Internal treatment of Boiler feed water - Calgon conditioning - Phosphate conditioning - Colloidal conditioning, External treatment methods - Softening of water by ion - exchange processes. Desalination of water - Reverse osmosis. (Chapter - 1) UNIT - II : Battery Chemistry & Corrosion Introduction - Classification of batteries - primary, secondary and reserve batteries with examples. Basic requirements for commercial batteries. Construction, working and applications of : Zn-air and Lithium ion battery, Applications of Li-ion battery to electrical vehicles. Fuel Cells - Differences between battery and a fuel cell, Construction and applications of Methanol Oxygen fuel cell and Solid oxide fuel cell. Solar cells - Introduction and applications of Solar cells. Corrosion : Causes and effects of corrosion - theories of chemical and electrochemical corrosion – mechanism of electrochemical corrosion, Types of corrosion : Galvanic, water-line and pitting corrosion. Factors affecting rate of corrosion, Corrosion control methods - Cathodic protection - Sacrificial anode and impressed current methods. (Chapter - 2) UNIT - III : Polymeric materials Definition - Classification of polymers with examples - Types of polymerization - addition (free radical addition) and condensation polymerization with examples - Nylon 6:6, Terylene Plastics : Definition and characteristics - thermoplastic and thermosetting plastics, Preparation, Properties and engineering applications of PVC and Bakelite, Teflon, Fiber reinforced plastics (FRP). Rubbers : Natural rubber and its vulcanization. Elastomers : Characteristics - preparation - properties and applications of Buna-S, Butyl and Thiokol rubber. Conducting polymers : Characteristics and Classification with examples-mechanism of conduction in trans-polyacetylene and applications of conducting polymers. Biodegradable polymers : Concept and advantages - Polylactic acid and poly vinyl alcohol and their applications. (Chapter - 3) UNIT - IV : Energy Sources Introduction, Calorific value of fuel - HCV, LCV- Dulongs formula. Classification - solid fuels : coal -analysis of coal - proximate and ultimate analysis and their significance. Liquid fuels - petroleum and its refining, cracking types - moving bed catalytic cracking. Knocking - octane and cetane rating, synthetic petrol - Fischer-Tropsch’s process; Gaseous fuels - composition and uses of natural gas, LPG and CNG, Biodiesel - Transesterification, advantages. (Chapters - 4) UNIT - V : Engineering Materials Cement : Portland cement, its composition, setting and hardening. Smart materials and their engineering applications Shape memory materials - Poly L- Lactic acid. Thermoresponse materials - Polyacryl amides, Poly vinyl amides. Lubricants : Classification of lubricants with examples-characteristics of a good lubricants - mechanism of lubrication (thick film, thin film and extreme pressure) - properties of lubricants : viscosity, cloud point, pour point, flash point and fire point. (Chapter - 5)