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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.
can you help with process control questions
objective of the nasic test
report
The objective of the research is to empirically develop correlations between convection heat transfer and these above mentioned non-dimensional in numbers. The simple empirical cor
Objectives After performing this exercise you should be able to: 1. describe the design and organisation of a lab store, 2. suggest modifications in the store design,
understanding the concept of entrepreneurship and the process of innovation, come out with one assignment per group the used of materials in industry.
a) List the dissimilar Heat transfer equipment involved in your plant. Also describe the governing principle or modes of heat transfer for every equipment that listed. Determine th
molecular view of solution explanation
Explain the problems of flooding and channeling in packed tower
Why protons doesn''t react which each other?
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