BT-101 (GS) – Engineering Chemistry
• Attempt any five questions.
• All questions carry equal marks.
a)Unit 1What is Temporary and Permanent hardness water, How it is differentiate? Give suitable examples.
What is Temporary and Permanent hardness water, How it is differentiate? Give suitable examples.
b)Unit 2Write a note on scales and sludges.
Write a note on scales and sludges.
a)Unit 2Explain Ion-exchange process of water softening with neat diagram.
Explain Ion-exchange process of water softening with neat diagram.
b)Unit 2What are boiler troubles? How are they caused? Suggest steps for minimizing the boiler troubles.
What are boiler troubles? How are they caused? Suggest steps for minimizing the boiler troubles.
a)Unit 3Give short note on mechanism thick film of lubrication process.
Give short note on mechanism thick film of lubrication process.
b)Unit 3Explain about flash and fire point and their significance.
Explain about flash and fire point and their significance.
a)Unit 4What are polymers? Give their classification with examples.
What are polymers? Give their classification with examples.
b)Unit 4Give preparation, properties and uses of Bakelite.
Give preparation, properties and uses of Bakelite.
a)Unit 5What is oxidation corrosion and how does it take place? Describe the mechanism of oxidation corrosion.
What is oxidation corrosion and how does it take place? Describe the mechanism of oxidation corrosion.
b)Unit 5Explain water line corrosion and galvanic corrosion.
Explain water line corrosion and galvanic corrosion.
Unit 6What is spectroscopy? Discuss about Ultra-violet spectroscopy principle, instrumentation and applications.
What is spectroscopy? Discuss about Ultra-violet spectroscopy principle, instrumentation and applications.
a)Unit 7Write short notes on Electro negativity variation in groups and periods.
Write short notes on Electro negativity variation in groups and periods.
b)Unit 7Explain about polarisability.
Explain about polarisability.
Unit 1, Unit 3, Unit 4, Unit 7Write brief note on (Any two):
i) Alkalinity
ii) Emulsification number
iii) Conducting polymers
iv) Atomic and Ionic sizes
Write brief note on (Any two):
i) Alkalinity
ii) Emulsification number
iii) Conducting polymers
iv) Atomic and Ionic sizes