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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.
compare boron and aluminium with carbon and silicon
0.66 GRAM OF HYDROCARBON ON COMPLETE COMBUSTION WITH OXYGEN GAVE 1.32 GRAM OF CO2 &2.2.7 GRAM OF H20
Hardness is 160 ppm and flow rate is 40 m3/hr ,I want to know the amount resin quantity required.Please give me a solution with details.
percent air
a) The vacuum in the headspace of a can of food is normally formed by "hot fill" exhausting - that is, the cans are closed when the can is filled with product at a temperature o
a. Explain the problems of flooding and channeling in packed towertion..
What is phosphate conditioning in water softening?
Location and layout : Note the location of the lab with respect to the rest of the building. Is the location satisfactory for efficient functioning? You can study the layout well
prove that work is a path function
use matlab or excel to explain
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