What is required from the chains that are installed between the towing vehicle and the trailer?

پرسش 1357

What is required from the chains that are installed between the towing vehicle and the trailer?

1. AThey should allow the trailer to make a 90 degree or more turn in relation to the towing vehicle.
2. BThey should ground the electric charge (static electricity) that is accumulated in the vehicle while driving.
3. CThey should prevent a 90 degrees angle (the letter “L”) between the towing vehicle and the trailer.
4. DTheir links should be at least 12 mm thick.

پاسخ درست: A. They should allow the trailer to make a 90 degree or more turn in relation to the towing vehicle.