STUPIDSID
1 (a)
Explain break point chlorination.
4 M
1 (b)
Explain temporary & permanent hardness.
4 M
1 (c)
Discuss ion exchange method of softening water along with chemical reactions involve in it.
6 M
2 (a)
Explain briefly Annealing & Hardning.
4 M
2 (b)
Explain calcination.
4 M
2 (c)
Explain principle, instrumentation & working of IR spectroscopy.
6 M
3 (a)
Discuss Galvanic corrosion &Pitting corrosion
4 M
3 (b)
What is Pilling Bedworth rule? What is cathodic protection?
4 M
3 (c)
Write a note on Electrochemical corrosion in acidic medium &neutral medium.
6 M
4 (a)
Give characteristics of a good fuel
4 M
4 (b)
What is CNG? Why CNG is preferred over LPG?
4 M
4 (c)
Explain Thick-film lubrication & Extreme Pressure lubrication.
6 M
5 (a)
Give differences between Thermosetting & Thermoplastic polymers.
4 M
5 (b)
Discuss preparation , properties & uses of PVC.
4 M
5 (c)
Explain with examples Addition & Condensation polymerization.
6 M
6 (a)
Give an account of acid rain. What is Photochemicalsmog?
4 M
6 (b)
Give characteristics of a good fibre.
4 M
6 (c)
Write a detailed note on manufacture of ethyl alcohol from molasses by fermentation.
6 M
7 (a)
Justify "solar energy is the ultimate source of all types of energy"
6 M
7 (b)
What is a paint? Expalin different constituents of paint.
6 M
7 (c)
What is sand blasting?
2 M
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