A short chain is usually attached to the re..

Question 1 Report

A short chain is usually attached to the rear side of petro tanker trailing behind it to ensure that the

charges generated by friction in the tanker are conducted to the earth

chain vibrates in resonance with the tanker’s engine

heat generated by friction in the engine is conducted to the earth

petrol tanker is balanced on the road

tanker does not exceed a certain speed limit