BPSC – Combined Competitive Examination · ప్రశ్న 51
Melamine, used for making floor tiles, is an example of:
సమాధానం చూపించు & వివరణ
సమాధానం: (D) Thermosetting plastic
వివరణ
Melamine and Bakelite are thermosetting plastics; they cannot be remoulded once set.
- (A) తప్పు
Wrong: polythene is a thermoplastic.
- (B) తప్పు
Wrong: melamine does not soften on reheating.
- (C) తప్పు
Wrong: PVC is a thermoplastic.
- (D) సరైనది
Correct: melamine sets permanently on heating and resists heat and fire.