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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.
What are the objectives of heat treatment of metals? Objectives of heat treatment- Cause relief of internal stresses developed while cold working, welding, casting, forgi
What kind of separation processes are there?
Q. Write short notes on cloud and pour point of lubricant. Ans. Cloud and pour point of lubricant: When the temperature is lowered up to a particular point, the oil becomes
Identify a major process equipment or operation in your work environment which has the highest risk and develop a detailed report on 1) process hazard analysis (PHA) and 2) HZOP to
a. Explain the problems of flooding and channeling in packed tower
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how do i stop flaring of iron and steel emission
Spelling resistance: The breaking or cracking or peeling off the refractory is known as spelling. A good refractory must show a good resistance to thermal spelling. Thermal spelli
Explain Eddy Current Losses Eddy Current Losses The core of a generator armature is made from soft iron, which is a conducting material with desirable magnetic sort. Any con
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