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Why petrol tankers along highways often have metal chain attached that drag along the road.

Posted by Jai Shree 8 years, 1 month ago

CBSE > Class 08 > Science

1 answers

Kritika Trehan 8 years, 1 month ago

Moving at high speed along the road may produce static charges. The chain is supposed to get rid of any static electricity that builds up within the vehicle by directing it from the frame and tanks and into the ground or road. This is done to prevent the possibility of a spark occurring if someoney happens to touch the unit as the gasoline is highly flammable, even a spark could lead to an ignition source.

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Posted by Lavanya Ayyagari 3 months, 1 week ago

CBSE > Class 08 > Science