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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.
A company is using a piece of equipment which originally cost $30,000. The equipment has been in use for 5 years, and now has a net realizable value of $6000. At the time of instal
What is phosphate conditioning in water softening?
How to design limpet coil for given pressure?
wet chemical synthisis method
chemistry separate the mixture of sand and naphthalene by sublimation
how can be boiler trouble be minimised ?
Requirements of boiler feed water
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
1. In the system shown schematically below, water is supplied to a spray nozzle by a gear pump with a constant output of 20 US gpm. The flow rate of water discharged through t
PROCESSING OF BILL FOR PAYMENT : Your Counsellor will give you one bill. In that bill, you make relevant entries of the following statement using your imagination.
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