ENGINEERING CHEMISTRY[As per Choice Based Credit System (CBCS) scheme](Effective from the academic year 2015 -2016)SEMESTER - I/II
Subject Code - 15CHE12/15CHE22
IA Marks 20
Number of Lecture Hours/Week - 04
Exam Marks - 80
Total Number of Lecture Hours - 50
Exam Hours - 03
CREDITS – 04
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.
• Polymers.
• Water Technology
& Nano Materials.
Module -1
Electrochemistry
and Battery Technology
Electrochemistry: Introduction, Derivation of Nernst
equation forelectrode potential. Reference electrodes:
Introduction,construction, working and applications of calomel and Ag /
AgClelectrodes. Measurement of electrode potential using calomelelectrode. Ion
selective electrode: Introduction; Construction andworking of glass electrode,
determination of pH using glasselectrode. Concentration cells: Electrolyte
concentration cells,numerical problems.
Battery Technology: Introduction, classification -
primary,secondary and reserve batteries. Characteristics - cell potential,current,
capacity, electricitystorage density, energy efficiency, cycle life and shelf
life. Construction, working and applications of ZincAir, Nickel- metal hydride
batteries. Lithium batteries: Introduction,construction, working and
applications of Li-MnO2 and Li-ionbatteries.
Fuel Cells: Introduction, difference between
conventional cell andfuel cell, limitations & advantages. Construction,
working &applications of methanol-oxygen fuel cell with H2SO4 electrolyte. 10hours
Module -2
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 coatingsAnodizing 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 overvoltage. Factors influencing
thenature of electro deposit-current density, concentration of metal ion&
electrolyte; pH, temperature & throwing power of plating bath;additives-
brighteners, levellers, structure modifiers & wettingagents. Electroplating
of Nickel (Watt’s Bath) and Chromium(decorative and hard). Electro less
plating: Introduction,distinction between electroplating and electro less
plating, electroless plating of copper & manufactureof double sided
PrintedCircuit Board with copper.10hours
Module -
3
Fuels and Solar
Energy:
Fuels: Introduction, classification,
calorific value- gross and net calorific values, determination of calorific
value of fuel using bomb calorimeter, numerical problems. 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, antiknocking 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).10 hours
Module -
4
Polymers:
Introduction, types of
polymerization: addition and condensation,mechanism of polymerization- free
radical mechanism taking vinylchloride as an example. Molecular weight of
polymers: numberaverage and weight average, numerical problems. Glass
transition temperature (Tg): Factors influencing Tg-Flexibility, inter
molecularforces, molecular mass, branching & cross linking and
stereoregularity. 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.10 hours
Module-5
Water Technology
and Nanomaterials:
Water Technology: Introduction, boiler troubles
withdisadvantages & prevention
methods-scale and sludge formation,priming and foaming, boiler corrosion(due to
dissolved O2, CO2 andMgCl2). Determination of DO, BOD and COD, numerical
problemson COD. Sewage treatment: Primary, secondary (activated sludgemethod)
and tertiary methods. Softening of water by ion exchangeprocess. Desalination
of sea water by reverse osmosis & electro
dialysis (ion
selective)..
Nano Materials: Introduction, properties (size
dependent).Synthesis-bottom up approach (sol-gel, precipitation,
gascondensation & chemical vapour condensation processes). Nanoscale
materials- carbon nano tubes, nano wires, fullerenes,dendrimers, nano rods,
& nano composites.10 hours
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 tocorrosion, wear, tear, impact etc.
by electroplating and electro lessplating.
• Production &
consumption of energy for industrialization of country andliving standards of
people. Utilization of solar energy for different usefulforms 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.
Question paper pattern:
• The question paper
will have ten questions.
• Each full Question
consisting of 16 marks
• There will be 2 full
questions(with a maximum of four sub
questions)from each module.
• Each full question
will have sub questions covering all the topics under amodule.
• The students will
have to answer 5 full questions, selecting one fullquestion from each module.
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. Second
Edition.
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.
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