Question 1112 from category Safety for Israeli license grades 1

How would a tractor and its trailer maintain low speed during a long and steep descent?

  1. By driving in low gear and relying on the engine’s compression braking .
  2. By regulating the speed with the brakes.
  3. By using the trailer’s brakes and locking the differential.
  4. By operating the engine brake and driving in low gear.