Engineering Chemistry (B.E.- 101)

Unit I

WATER AND ITS INDUSTRIAL APPLICATIONS :

Sources, Impurities, Hardness & its units, Industrial water characteristics, softening of water by

various methods (Exrernal & Internal treatment), Boiler trouble causes, effect &

remedies, Characteristics of municipal water & its treatment, Numerical problems based on

softening methods.

Unit II

FUELS & COMBUSTION:

Fossil fuels & classification, Calorific value, Determination of calorific value by Bomb

calorimeter Proximate and Ultimate analysis of coal and their significance, calorific

value Computation based on ultimate analysis data, Carbonization, Manufacturing of

coke & recovery of by products. Cracking of higher Hydrocarbons & mechanism of

cracking, Knocking, relationship between' knocking & structure of hydrocarbon,

improvement of anti knocking characteristics of IC engine fuels, Diesel engine fuels,

Cetane number, combustion and it related numerical problems.

Unit III

A. LUBRICANTS:

Introduction, Mechanism of lubrication, Classification of lubricants, Properties and

Testing of lubricating oils, Numerical problems based on testing methods.

B. CEMENT & REFRACTORIES:

Manufacture , IS-code, Setting and hardening of cement, Refractory : Introduction,

classification and properties of refractories .

Unit IV

HIGH-POLYMER :

Introduction, types and classification of polymerization, Reaction

Mechanism, Natural & Synthetic Rubber; Vulcanization of Rubber, Preparation,

Properties & uses of the following- Polythene, PVC, PMA, PMMA, Teflon, Poly

acrylonitrile, PVA, Nylon, Nylon 6:6, Terylene, Phenol formaldehyde, Urea -

Formaldehyde Resin, Glyptal, Silicone Resin, Polyurethanes; Butyl Rubber, Neoprene,

Buna N, Buna S. Flow sheet manufacturing diagram of Nylon 6:6 & Decoran.

Unit V

A. INSTRUMENTAL TECHNIQUES IN CHEMICAL ANALYSIS :

Introduction, Principle, Instrumentation and applications of IR, NMR,UV, Visible,Gas

Chromatography, Lambert's and Beer's Law

B. WATER ANALYSIS TECHNIQUES :

Alkalinity, hardness ( Complexo-metric ), Chloride, Free chlorine, DO, BOD and COD, Numerical

problems based on above techniques.

Reference Books:

1. Chemistry for Environmental Engineering - Sawyer, McCarty and Parkin – McGraw Hill,

International.

2. Engineering Chemistry - B.K. Sharma, Krishna Publication.

3. A Text Book of Engineering Chemistry - S. S. Dara & A.K. Singh, S. Chand Publication.

4. Applied Chemistry - Theory and Practice, O.P. Viramani, A.K. Narula, New Age Pub.

5. Polymer Science – Ghosh, Tata McGraw Hill.

Engineering Chemistry Practical

NOTE: At least 10 of the following core experiments must be performed during the session.

1. Water Testing

(i) Determination of Total hardness by Complexometric titration method.

(ii) Determination of mixed alkalinity

(a) OH-& C03- -(b) C03- - & HCO3-

(iii) Chloride ion estimation by Argentometric method.

2. Fuels & lubricant testing:

(i) Flash & fire points determination by

a) Pensky Martin Apparatus,

b) Abel's Apparatus,

c) Cleveland's open cup Apparatus.

d) Calorific value by bomb calorimeter

(ii) Viscosity and Viscosity index determination by

a) Redwood viscometer No.1

b) Redwood viscometer No.2

(iii) Proximate analysis of coal

a) Moisture content

b) Ash content

c) Volatile matter content

c) Carbon residue

(iv) Steam emulsification No & Anline point determination

(v) Cloud and Pour point determination of lubricating oil

3. Alloy Analysis

(i) Determination of percentage of Fe in an iron alloy by redox titration using N-Phenyl

anthranilic acid as internal indicator.

(ii) Determination of Cu and or Cr in alloys by Iodometric Titration.