Download JNTUK B-Tech 2020 R19 CSE B19BS1105 Applied Chemistry Model Question Paper

Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) B-Tech 2020 R19 CSE B19BS1105 Applied Chemistry Model Previous Question Paper

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[B19BS1105]

I B.Tech II Semester (R19) Regular Examinations.
APPLIED CHEMISTRY
(Common to CSE,ECE &IT)
MODEL QUESTION PAPER
Time : 3Hrs Max. Marks : 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
CO KL M
UNIT - I
1. a). Explain the mechanism of free radical Polymerization reaction with a suitable
example.
1 2 8
b). Distinguish between thermoplastic and thermosetting resins. 1 4 7
OR
2. a). What are conducting Polymers? Discuss the applications of conducting
Polymers.
1 1 8
b). Write notes on Bu Na ? S and Bu Na ? N. 1 1 7

UNIT - II
3. a). Explain the Proximate analysis of coal and give its significance. 2 2 8
b). Explain Photovoltaic cell with neat diagram. 2 1 7
OR
4. a). Explain the fractional distillation of crude oil. 2 1 8
b). How synthetic Petrol can be prepared by Berguis Process. 2 1 7

UNIT - III
5. a). Explain the mechanism of electrochemical theory of corrosion with neat
diagram.
3 1 8
b). Describe briefly abt cathodic Protection. 3 2 7
OR
6. a). Explain Hydrogen ? Oxygen fuel cell with neat cell diagram 3 1 8
b). Discuss on various constituents of Paint. 3 2 7

UNIT - IV
7. a). What is hardness? How it is determined by EDTA method? Explain. 4 1 8
b). Describe with equations how water can be softened using Lime & Soda Process 4 1 7
OR
8. a). Discuss varis sterilizing methods used in municipal water treatment. 4 2 8
b). Illustrate the reverse osmosis Process with a neat diagram. 4 2 7
UNIT - V
9. a). Discuss chemistry involved in setting and hardening of cement? 5 2 8
b). What are refractories? Discuss the classification of refractories. 5 1 7
OR
10. a). Write the engineering applications of Liquid Crystals. 5 1 8
b). Explain the stoichiometric defects in crystals. 5 2 7

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