A short chain is usually attached to the back of a petrol tanker and trailing behind it so that the
a
petrol tanker is balanced on the road
b
heat generated by friction in the engine can be conducted to the earth
c
charges generated by friction in the tanker are conducted to the earth
d
tanker can move slowly as the chain touches the road surface
e
chain can produce sound in resonance with the noise from the tanker‘s engine
Explanation
Correct Option
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kelevidoo
8 years ago
pls the answer which i choose, some of them is right but it wasn't mark correctly
