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Question:

A top-heavy load is dangerous because it can cause

1. a rollover on a curve.

2. a rollover if you swerve around a hazard.

3. damage to the axles or steering.

4. all of the above.

Answer: all of the above.

Explanation
A top-heavy load raises your vehicle's center of gravity so that you're much more likely to roll over on a curve or if you swerve to avoid a hazard. A top-heavy load is also an unbalanced load, which can damage certain parts of your vehicle, such as the axles.
This question is in Section 1: General Knowledge of our CDL Test Guide. Explore now!
Related Question

Question: Which of these is vital in a fire extinguisher?

1. That it is properly charged

2. That it is of the right type to deal with your cargo

3. That you know how to use it before the fire

4. All of the above

All of the above

You must always check that a fire extinguisher is suitable for your cargo; some are only meant to deal with electrical and liquid fires, while others are for paper, wood etc. Keep it in an accessible place (usually in your cab). Nearly all fire extinguishers will have a protective seal put on them when new or when refilled, make sure this is present.

Question: When crossing a junction, which of these is essential?

That you have sufficient space the other side to fully clear the junction

Plan ahead and only begin crossing a junction if you can see that there is enough space the other side to get all the way across.

Question: The best drivers are those who watch and prepare for hazards. This is called _________ driving.

Defensive.

Question: It is accepted that too much heat caused by using your brakes too often can also cause:

Brake to fade or fail.

Question: What will happen if the air lines are crossed when you hook up to an old trailer?

If the trailer has no spring brakes, you could drive away but you would not have trailer brakes.

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