Engineering Materials Science Structure and Properties of Engineering Materials Properties of Materials
Thermoplastic polymers are
i) formed by addition polymerization
ii) formed by condensation polymerization
iii) softened on heating and hardened on cooling for any number of times
iv) moulded by heating and cooling.
1
ii) and iii) are true
2
ii) and iv) are true
3
i) and iv) are true
4
i) and iii) are true
5
Question Not Attempted