Question No 25. The plastic material commonly used for making gear wheels is:
- 1) Polyesters
- 2) Nylons
- 3) Bakelite
- 4) Polystyrene
General Science Questions have been taken from previous years question papers of different competitive examinations such SSC CGL, SSC CHSL, CDS, NDA, Bank, State PSC, Railways, MAT, CAT, etc.
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