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A Short Chain Is Sometimes Attached To The Back Of A Petrol Tanker To? - Erudites Academy

A short chain is sometimes attached to the back of a petrol tanker to?

A. generate more friction
B. ensure the balancing of the tanker
C. caution the driver when overspeeding
D. conduct excess charges to the car

Correct Answer:

Option D – conduct excess charges to the car

Explanation

The friction between the tanker and air creates charges which the chain conducts to the ground.

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4 years ago