Doubles/Triples · Question 29

Question 29 of 120

You are pulling triples and approaching a long downgrade. What should you do to manage the added weight and length safely?

Pick an answer

Correct!

Not quite. The correct answer is highlighted.

Correct answer to question 29 (Doubles/Triples): Select a low gear before the descent and use steady, controlled braking rather than riding the brakes

Why

The combined weight of three trailers makes brake fade an even bigger risk on a long grade, so a low gear chosen ahead of time and controlled braking matter more than ever.

Updated: November 2026

Practice it in test 430 questions · pass with 24 (80%)