Question no 2610 SSC CGL Tier 1 Genral Awareness Questions and Answers Free Online Mock Test 47

SSC CGL Tier 1 :: GA Test 47

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1 .

Which one of the following polymers is widely used for making bullet proof material?

[ A ] Polyvinyl chloride
[ B ] Polyamides
[ C ] Polyethylene
[ D ] Polycarbonates

Answer : Option D

Explanation :

Polycarbonates are the polymer widely used in making bullet proof materials. Bullet proof glass is made by layering a polycarbonate material between pieces of ordinary glass in a process cal led lamination. A bullet fired will pierce the outside layer of the glass, but the layered polycarbonate glass material is able to absorb the bullet's energy and stop it. Polycarbonate panels are used for covering advertising posters, construction of office buildings for sound proofing. Polycarbonate is also used for making bullet proof jackets.

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