Answer :
When the vehicle is in motion,due to friction in air,the body of the vehicle gets charged.if accumulated,charge becomes excessive,sparking May occur and inflammable materials may catch fire.therefore metallic chains touching the ground are introduced so that the charge quickly leaks to the earth.hence the danger of fire is avoided...
so,vehicles carrying inflammable materials usually have metallic ropes touching the ground during motion.....
ok....??
so,vehicles carrying inflammable materials usually have metallic ropes touching the ground during motion.....
ok....??
Answer:when the vehicle is in motion it may get charged due to friction.due to accumulation of charge on the body of the vehicle sparking may occur and the inflammable material may catch fire . To avoid it metallic chains are used through which the charge from the body of vehicle escape to the ground and hence no chance of sparking.
Explanation: