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Question:

What's the most important tool you have to monitor the condition of your vehicle when underway?

Answer: Your eyesight, your hearing and sense of smell

Explanation
Become thoroughly familiar with your vehicle, so that any changes will be sensed immediately.
This question is in Section 1: General Knowledge of our CDL Test Guide. Explore now!
Related Question

Question: Which of the following is recommended for safe descent from the Siskiyou Pass?

1. Make sure that your lights are working before starting

2. Watch for snow, black ice, and other dangerous weather October to April

3. Check your brakes before you begin traveling the downgrade

4. All of the above

All of the above

"Respect the Pass" is a program to encourage people to take the correct safety precautions when going through the Siskiyou Pass - one of the most dangerous stretches on Interstate 5. Do everything mentioned, and all the other safety items mentioned in the manual.

Question: What's the maximum amount of play your steering wheel should have?

2 inches

On a 20 inch steering wheel you should have no more than 2 inches of flex (10%). Any more could lead to problems with accurate controlled steering.

Question: According to Wisconsin law, for how long will a driver convicted of a second offense of OWI in a non-CMV lose his/her CDL driving privileges?

Life

If you are caught OWI a second time, in your CMV or in your personal vehicle, you will lose your CDL privileges for life. Wisconsin takes drinking and driving seriously, and CDL privileges mean trusting an individual with a very large, dangerous machine.

Question: If your vehicle catches fire while you are driving, you should:

Park in an open area.

Question: Where should the tractor be when you inspect landing gear after uncoupling the trailer?

With the tractor frame under the trailer.

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