meta-pixelWhich of these statements about the handling of doubles and triples is true?
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Question:

Which of these statements about the handling of doubles and triples is true?

1. A sudden movement with the steering wheel can result in a tipped over rear trailer.

2. The rear trailer of a 100-foot triple is less likely to turn over than a single semitrailer due to the crack-the-whip effect.

3. Rearward amplification is the only thing that prevents the crack-the-whip effect from turning over all trailers.

Answer: A sudden movement with the steering wheel can result in a tipped over rear trailer.

This question is in Section 4: Other Topics of our CDL Test Guide. Explore now!
Related Question

Question: Which of these will not prevent distracted driving?

1. Preprogramming your favorite radio stations

2. Preplanning your route

3. Pre-loosening the lid of your coffee flask

4. Adjusting all your mirrors before you start

Pre-loosening the lid of your coffee flask

It's good practice to get your cab set up exactly as you would like it before you start your trip, but eating and drinking should be kept for stops.

Question: If you are tested and found to have a blood alcohol concentration below 0.04% but above 0.0, what will happen?

You will be taken out-of-service for 24 hours

If you are between the violation limit and zero, you will be taken out of service for 24 hours. The best way of avoiding this is not to drink any alcohol within 24 hours of driving.

Question: The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?

1. Keep varying your speed by accelerating and braking.

2. Downshift to stop.

3. Stop driving as soon as you can safely do so.

Stop driving as soon as you can safely do so.

Question: The power unit of a placarded vehicle must have a fire extinguisher with a UL rating of ____ B:C or more.

10.

Question: The liquid in a tank with baffles can still have what kind of surge?

Side-to-side

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