FREE WA CDL Doubles/Triples Test 2024 (Practice Test)

1. ABS helps you:

2. As you approach off ramps and on ramps, remember:

that the posted speed limit may be safe for automobiles, but may not be safe for larger vehicles.
that braking and turning at the same time can be a dangerous.
All of the above.

3. When should you downshift automatic transmissions?

Watch your tachometer, and downshift when your engine reaches the top of the range.
When you start to get drowsy.
When going down steep grades.

4. Dollies with ABS are required to have a malfunction lamp:

5. When you make a quick lane change, the crack-the-whip effect can turn the trailer over. The crack-the-whip effect is caused by:

6. On dry pavement, the braking distance when traveling at 55 mph is about:

7. Which of the following is not a sign of fatigue?

8. When the wheels of a trailer lock up:

the trailer will tend to swing around.
ABS will increase stopping power.
the vehicle will gradually come to a complete stop.

9. If the engine catches fire, you should:

open the hood as soon as you can.
turn off the engine as soon as you can.
avoid shooting foam from the vehicle's underside.

10. When driving a 50-foot truck at 40 mph, your minimum following distance should be:

DOUBLES TRIPLES TEST WA - CDL PRACTICE TEST