Practice question

What does 'continuous braking' of a combination mean in IAAA Category E theory?

Braking in which the energy used to brake the vehicle and the trailer is supplied from the same source
Braking in which tractor and trailer use two different energy sources
Braking that uses only the overrun force of the trailer closing up on the tractor
Braking that is applied only to the tractor's front axle

Answer: A — Braking in which the energy used to brake the vehicle and the trailer is supplied from the same source

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