(a) What is meant by moulding? Explain with neat diagram the process…

Previous year question for Advanced Engineering Chemistry.

Question

(a) What is meant by moulding? Explain with neat diagram the process of injection moulding. ( 10 )

(b) Explain the following:

(i) Requisites of a good paint

(ii) Give the importance of plastics. ( 5, 5 )