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Question:

If you have a cargo fire inside a box trailer, it's important that you...?

Answer: Don't open the doors

Explanation
Opening the doors of the trailer would allow more oxygen to get to the fire. This will not only make the fire worse, but could put you in serious danger. Even if it means losing your whole cargo, wait for expert help to arrive.
This question is in Section 1: General Knowledge of our CDL Test Guide. Explore now!
Related Question

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: What is the gross vehicle weight (GVW)?

The total weight of a single vehicle and its load

GVW is the simplest of the vehicle weight explanations, standing for just a single vehicle and the load that it is carrying.

Question: What is the first step of proper braking technique when going down a steep downgrade?

Put the engine in the proper low gear.

Before you even apply the brakes, you want to make sure that you are in the proper low gear to start the downgrade, since you may be unable to change after you start your descent and will be busy applying then easing off then applying the brakes.

Question: Which of these statements about certain types of cargo is true?

1. Unstable load such as hanging meat or livestock can require extra caution on curves.

2. When liquids are hauled, the tank should always be loaded totally full.

3. Oversize load can be hauled without special permit during times when the roads are not busy.

Unstable load such as hanging meat or livestock can require extra caution on curves.

Question: You must study air brakes in the state of Alaska;

otherwise, you will have to get a CDL with restrictions.

In the state of Alaska, you can only receive a CDL with a restriction "L" that allows you only to drive vehicles without air brakes if you have not studied for and passed the section of the CDL exam for air brakes. So, good luck!

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