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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.
Semiconductor device applications All transistor types can be used as the building blocks of logic gates, which are fundamental in the design of digital circuits. In digital c
reaction between water and petrol engine exhaust gas(contain n2=71%, co2=21% ,co=1.5%)
merits and demerits of electrostatic sheilding.
1. a)Explain the construction and working of catalytic converter with a neat diagram. b) How much of rise in temperature of water occurs when 0.222 kg of a fuel is burnt in bom
putting example of literature review
An operator tells you that it takes 2 minutes for a process to get half way to the final value after a step change in the input. What can you infer about the process time constant
Consider a process for the partial oxidation of benzene to produce maleic anhydride (C4H4O4) using air. There are two reactions to be concerned with: The first partially oxidizes t
Heat capacity: Heat capacity of furnace depend on (1) Thermal conductivity (2) Specific heat and (3) Specific gravity of refractory. The dense and heavy fire clay
Two parallel planes 1.2x1.2 are splited by a distance of 1.2 m. the emissivity's of the planes are 0.4 and 0.6, and the temperature are 760 and 300 oC, correspondingly. A 1.2x1.2 r
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