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1. a) How are Polymers classified?
b) Define polymerization. Differentiate addition and condensation polymerization.
2. a) Explain the free radical mechanism of addition polymerization taking ethylene as a monomer.
b) Give the synthesis and applications of Teflon.
3. a)Differentiate between thermoplastics and thermosetting plastics.
b)What is glass transition temperature?Discuss the following factors affecting GTT
i) Flexibility ii) Intermolecular forces.
4. a) Explain the manufacture and applications of the following high polymers:
i)Polymethylmethacrylates (plexi glass) ii) polyurethanes.
b) What are elastomers? Mention the advantages of synthetic rubber over natural rubber.
5. a) What are the deficiencies of natural rubber? What is vulcanization of rubber.
b) Explain the manufacture of Silicone rubber. Mention their applications.
Q. Define flash and fire points and its determination. OR Write short note on: Flash and fire points. Ans. Flash and fire points:
Requirement of potable water
theory behind the distribution of benzoic acid between water and benzene
What is Metallization Metallization is the fabrication step in which proper interconnection of circuit elements is made. Aluminum is a popular metal used to be linked ICs, bo
minimum mass of air required for complete combustionof the HFO
Consider a Carnot heat engine operating with steam as the working uid, among reservoirs at TL = 200C and TH = 500C. Do the following, using the steam tables: 1) Draw the cycl
INTRODUCTION : Earlier in this course you have read about the requirements of laboratories. You also know that these requirements can be for consumable and non consumable nature
illustrate the formation of scale and sludge in boiler and suggest the methods for their control
how to write project report for chemical engineering
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