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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.
design a falling film evaporator in detail
I am final year chemical engineering student working on a problem paper which has got two questions with a total of 5 parts. Would you be able to provide a solution for that?
What do you understand by Wet bulb Globe temperature? Wet bulb globe temperature index is used to measure the sultriness of environment. Sultriness is calculated on the basis o
Ask question #Minimum 100 words accepted.hardness of bore water is less than that of sea water-justify
The over all diffinition of stripping
how to calucuate weight% of hydrogen sulphate when density =20 and temparature =80 are given
Mixing Salt Solutions You mix 195.0 gallons of a mixture containing 12.00 wt% NaCl (sodium chloride) and 88.00 wt% water (solution density = 1.0837 g/cm 3 ) with a V 2 -gallon
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
PROCEDURE : Visit any lab (physics, chemistry or biology) of your study centre or any other you can get access to and note its features. To guide you through we have listed below
Where can I get the solution manual for bioprocess engineering by Schuler and kargi? Any link to download it?
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