Alberta Air Brake (Q) Knowledge Test Practice Questions - Alberta Air Brake (Q Endorsement) Knowledge Test Exam - Variant 2

Why does brake lag matter for following distance?

It adds distance before the vehicle begins to slow, so heavy vehicles need more space It makes the vehicle begin slowing before the driver reacts It cancels perception time It only matters when parked

Correct Answer:

It adds distance before the vehicle begins to slow, so heavy vehicles need more space

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