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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.
resultant of two simple harmonic motion
USES Sensors and devices based on Hall Effect are used for: 1 Analog multiplication 2 Current sensing 3 Position and motion sensing 4 Automotive ignition and fuel in
concequence of sludge and slag formation in boiler
Finish the molecular species balance problem I started in class, i.e. find the composition of the product gas.
I need help with my project. for more information. email me [email protected]
advantages of fuel cell over batteries
Requirements of boiler feed water
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
can you help with process control questions
The aim of this assignment is to develop and test your ability to integrate your knowledge of plastic failure and fracture. Below is a plot that shows the plane strain fracture tou
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