Question 28

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
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1993
Question no.
#28
Type
Objective

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