Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
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.
corrosion in boilers
Materials for AC applications These applications generally needs low coercivity Hc and low power loss, high permeability µ, high saturation magnetization. The low value of
Routine monitoring at a chemical process facility has detected fugitive emissions (leaks) of volatile organic compounds around several equipment valves, pump and compressor seals.
A double riveted double cover butt joint is used for connecting plates 1.2 cm thick. The diameter of the rivets is 2.2 cm. The permissible stresses in tension - 100 N/mm2 The per
understanding the concept of entrepreneurship and the process of innovation, come out with one assignment per group the used of materials in industry.
Methane containing 4 mol% N 2 is flowing through a pipleline at 105.1 kpa and 22 °C. To check this flow rate, N 2 at the same temperature and pressure are introduced to the piple
The similar system is now heated in two stages, by rst contacting with a reservoir at T2 halfway among T1 and Tf , then by contacting with the reservoir at Tf . Again and the ent
internal treatment with reference to phosphate conditioning
performance equation
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
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd