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BT-101 Engineering Chemistry Notes

7 notes for Engineering Chemistry, unit by unit.

Unit 1 · Short notes Water – Analysis, Treatments and Industrial Applications Sources and impurities of water · Hardness and its units; determination of hardness by EDTA complexometric titration · Alkalinity determination and related numerical problems
Unit 2 · Short notes Boiler Problems and Softening Methods Boiler troubles: sludge and scale, priming and foaming, boiler corrosion, caustic embrittlement · Softening methods: lime‑soda, zeolite, ion‑exchange
Unit 3 · Short notes Lubricants and Lubrication Introduction and mechanism of lubrication · Classification of lubricants · Viscosity and viscosity index determination · Flash & fire points, cloud & pour points, aniline point, acid number, saponification number, steam emulsification number · Related numerical problems
Unit 4 · Short notes Polymers and Polymerisation Introduction to polymers and types of polymerisation · Classification and mechanism of polymerisation (free‑radical and ionic) · Thermoplastic and thermosetting polymers · Biodegradable polymers · Preparation, properties and uses of PVC, PMMA, Teflon, Nylon‑6, Nylon‑6:6, polyester, phenol‑formaldehyde, urea‑formaldehyde, Buna‑N, Buna‑S, vulcanisation of rubber
Unit 5 · Short notes Phase Equilibrium and Corrosion Phase diagram of single‑component system (water) · Phase diagram of binary eutectic system (Cu‑Ag) · Corrosion: types, mechanisms and prevention
Unit 6 · Short notes Spectroscopic Techniques and Applications Principles, instrumentation and applications of electronic spectroscopy · Vibrational and rotational spectroscopy of diatomic molecules
Unit 7 · Short notes Periodic Properties Effective nuclear charge · Variation of s, p, d and f orbital energies across the periodic table · Electronic configuration · Atomic and ionic sizes · Electron affinity and electronegativity · Polarizability and oxidation states

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