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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.
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The property of a material by which it can be drawn into wires is called as Ductility is the only property of a material by which it can be drawn into wires.
how to
how to write project report for chemical engineering
Casting is a manufacturing method by which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then permitted to solidify. T
What are the objectives of annealing? Annealing , is a heat treatment where in a material is altered, causing alters in its properties like as strength and hardness. It is a p
understanding the concept of entrepreneurship and the process of innovation, come out with one assignment per group the used of materials in industry.
1. a)Explain the construction and working of catalytic converter with a neat diagram. b) How much of rise in temperature of water occurs when 0.222 kg of a fuel is burnt in bom
application of molecular diffusion in industries
What are the most important properties of permanent magnetic materials? Explain. The most important properties of permanent magnetic materials are (i) Remanence (Residu
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