Engineering Chemistry CBCS VTU Syllabus Notes Question Papers


Course objectives:

To  provide  students  with  knowledge  of  engineering  chemistry  for  building technical competence in industries, research and development in the following fields

•Electrochemistry & Battery Technology.
•Corrosion & Metal Finishing.
•Fuels & Solar energy.
•Water Technology & Nano Materials.


Electrochemistry and Battery Technology Electrochemistry: 
 Introduction, Derivation of Nernst equation for electrode   potential.   Reference   electrodes:   Introduction,construction, working and applications of calomel and Ag / AgClelectrodes.  Measurement  of  electrode  potential  using  calomel electrode. Ion selective electrode: Introduction; Construction and working  of  glass  electrode,  determination  of  pH  using  glass electrode.  Concentration  cells:  Electrolyte  concentration  cells,numerical problems.Battery  Technology:Introduction,  classification  –  primary,secondary  and  reserve  batteries.  Characteristics  -cell  potential,current, capacity, electricity storage density, energy efficiency, cycle10 hours life and shelf life. Construction, working and applications of Zinc-Air, Nickel- metal hydride batteries. Lithium batteries: Introduction,construction,  working  and  applications  of  Li-MnO2and  Li-ion batteries.
Fuel Cells: 
Introduction, difference between conventional cell and fuel  cell,  limitations  &  advantages.  Construction,working  &applications of methanol-oxygen fuel cell with H2SO4electrolyte.


Corrosion and Metal Finishing:
Corrosion:  Introduction,  electrochemical  theory  of  corrosion,galvanic  series.  Factors  affecting  the  rate  of  corrosion:  ratio  ofanodic  to  cathodic  areas,  nature  of  metal,  nature  of  corrosionproduct, nature of medium – pH, conductivity, and temperature.Types of corrosion- Differential metal, differential aeration (Pittingand water line) and stress. Corrosion control: Inorganic coatings-Anodizing of Al and phosphating; Metal coatings-Galvanization andTinning.  Cathodic  protection  (sacrificial  anodic  and  impressed current methods).

Metal Finishing:
Introduction,  Technological  importance.Electroplating:  Introduction,  principles  governing-Polarization,decomposition  potential  and  over voltage.  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). Electroless plating: Introduction,distinction between electroplating and electroless plating, electroless  plating  of  copper  &  manufacture  of  double  sided  Printed Circuit Board with copper.


Fuels and Solar Energy:
Fuels: Introduction, classification, calorific value- gross andnet calorific values, determination of calorific value of fuel usingbomb  calorimeter,  numerical  problems.  
Cracking:  Introduction,fluidized catalytic cracking, synthesis of petrol by Fishcher-Tropschprocess,  reformation  of  petrol,  octane  and  cetane  numbers.Gasoline and diesel knocking and their mechanism, anti knocking agents, power alcohol & biodiesel.Solar   Energy:Introduction,  utilization  and  conversion,photovoltaic cells- construction and working. Design of PV cells:modules, panels & arrays. Advantages & disadvantages of PV cells.Production  of  solar  grade  silicon:  Union  carbide  process,purification  of  silicon  (zone  refining),  doping  of silicon-diffusion technique (n&p types).


Introduction, types of polymerization: addition andcondensation,mechanism of polymerization- free radical mechanism taking vinylchloride  as  an  example.  Molecular  weight  of  polymers:  number average and weight average, numerical problems. Glass transitiontemperature (Tg): Factors influencing Tg-Flexibility, inter molecular forces,  molecular  mass,  branching  &  cross  linking  and  stereo regularity.  Significance  of  Tg.  Structure  property  relationship:crystallinity,  tensile  strength,  elasticity  &  chemical  resistivity.Synthesis,  properties  and  applications  of  PMMA  (plexi  glass),Polyurethane  and  polycarbonate.  Elastomers:  Introduction,synthesis,  properties  and  applications  of  Silicone rubber. Adhesives: Introduction, synthesis, properties and applications of epoxy  resin.  Polymer  Composites:  Introduction,  synthesis,properties  and  applications  of  Kevlar.  Conducting  polymers:Introduction,  mechanism  of  conduction  in  Poly  aniline  and applications of conducting poly aniline.


Water Technology and Nanomaterials:Water Technology:
Introduction,boiler   troubles with disadvantages &  prevention methods-scale and sludge formation,priming and foaming, boiler corrosion(due to dissolved O2, CO2andMgCl2). Determination of DO, BOD and COD, numerical problems on COD. Sewage treatment: Primary, secondary (activated sludge method) and tertiary methods. Softening of water byion exchange process. Desalination of sea water by  reverse osmosis & electrodialysis (ion selective)..Nano   Materials:Introduction,  properties  (size  dependent).Synthesis-bottom  up  approach  (sol-gel,  precipitation,  gas condensation  &  chemical  vapor  condensation  processes).  Nanoscale  materials-  carbon  nano  tubes,  nano  wires,  fullerenes, dendrimers, nano rods, & nano composites

Course outcomes:

On completion of this course, students will have knowledge in:
•Electrochemical  and  concentration  cells.  Classical &  modern  batteriesand fuel cells.
•Causes  &  effects  of  corrosion  of  metals  and  control of  corrosion.Modification  of  surface  properties  of  metals  to  develop  resistance  to corrosion,  wear,  tear,  impact  etc.  by  electroplating  and  electroless plating.
•Production & consumption of energy for industrialization of country andliving standards of people. Utilization of solar energy for different useful forms of energy.
•Replacement  of  conventional  materials  by  polymers  for  variousapplications.
•Boiler troubles; sewage treatment and desalination of sea water, and
•Over viewing of synthesis, properties and applications of nanomaterials.

Text  Books:
1.B.S.Jai  Prakash,  R.Venugopal,  Sivakumaraiah  &  Pushpa  Iyengar.,“Chemistry   for   Engineering   Students”,  Subhash  Publications,Bangalore.
2.R.V.Gadag  &  A.Nityananda  Shetty.,“Engineering  Chemistry”,  I  KInternational Publishing House Private Ltd. New Delhi.
3.P.C.Jain  &  Monica  Jain.,“Engineering  Chemistry”,  Dhanpat  RaiPublications, New Delhi.

Reference Books:
1.O.G.Palanna,“Engineering Chemistry”,Tata McGraw Hill Education Pvt.Ltd. New Delhi, Fourth Reprint.
2.G.A.Ozin & A.C. Arsenault,“Nanochemistry A Chemical Approach to Nanomaterials”, RSC publishing, 2005.
3.“Wiley Engineering Chemistry”, Wiley India Pvt. Ltd. New Delhi. SecondEdition.
4.V.R.Gowariker,  N.V.Viswanathan  &  J.Sreedhar.,“Polymer  Science”,Wiley-Eastern Ltd.5.M.G.Fontana.,“Corrosion  Engineering”, Tata McGraw Hill Publishing Pvt. Ltd. New Delhi.