Question

Plastics are divided into thermoplastic and thermosetting on the basis of their ________

(a) Behaviour with respect to heating

(b) Structure

(c) Physical properties

(d) Mechanical properties

The question was asked in an international level competition.

I need to ask this question from Plastics topic in division Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

Answer 1

Correct choice is (a) Behaviour with respect to heating

The best I can explain: The classification of plastics is done on the basis of their behaviour with respect to heating, structure, physical properties and mechanical properties. Plastics are divided into thermoplastic and thermosetting on the basis of their behaviour with respect to heating.