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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.
fing the neceessary and sufficient conditions for the numbers s and t to make the LP problem maximise z=x+y subject to:sx+ty x;y>0 have an optimal solution be feasible b
Steam at 400C, 100 bar in an insulated cylinder is rapidly decompressed to 10 bar, by unlocking the piston and permitting the gas to expand, with a constant external pressure of 10
steps involved in road construction
Why protons doesn''t react which each other?
all about aeration in water system
write hazop study to dethanizer column and brief hazan write brief hazan for shell and tub will send PID for both if you agree do this
Reactants Acrylonitrile and Dimethylamine to form product DMAPA i.e. Dimethylaminopropylamine. What is the specific consumption of reactants to produce 1mole of DMAPA
It is desired to generate an iron-carbon alloy that has a minimum hardness of 200 HB and a minimum ductility of 35%RA. Is such an alloy possible? If so, what will be its compositio
Explain Antiferromagnetic materials Antiferromagnetic materials are the materials in which almost every magnetic dipole is linked up ant parallel to each other. Its susceptib
1 ΔS on rapid decompression Steam at 400C, 100 bar in an insulated cylinder is suddenly decompressed to 10 bar, by unlocking the piston and allowing the gas to expand, with a c
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