CDL General Knowledge Practice Test1

Question 1

What is the most important reason for doing a vehicle inspection?

Accepted Answer

Safety for yourself and other road users

Answer

To save you money by preventing costly repairs

Answer

Federal and state laws require you to inspect your vehicle

Answer

To insure that you will achieve the best gas mileage

Question 2

When backing your vehicle, which of the following is NOT recommended

Accepted Answer

Back towards the right side

Answer

Back as slow as possible

Answer

Use the lowest reverse gear

Answer

Back and turn towards the driver's side

Question 3

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

Accepted Answer

About 5 car lengths on the highway

Answer

About 12-15 seconds

Answer

About one block for city driving

Answer

About 1/4 mile for open highway driving

Question 4

You are driving a 40 foot truck at 35 MPH, how much space (in seconds) should you keep in front of you?

Accepted Answer

4 seconds

Answer

3 seconds

Answer

5 seconds

Answer

6 seconds

Question 5

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as?

Accepted Answer

Aggressive driving

Answer

Defensive driving

Answer

Road rage

Answer

Distracted driving

Question 6

You should check your tires every ____ or every ____ when driving in very hot weather.

Accepted Answer

2 hours, 100 miles

Answer

1 hour, 50 miles

Answer

3 hours, 200 miles

Answer

5 hours, 250 miles

Question 7

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

Accepted Answer

Time of day

Answer

Length and steepness of grade

Answer

Weather

Answer

Total weight of the vehicle and cargo

Question 8

With the controlled braking method, you _____?

Accepted Answer

Apply the brakes as hard as you can without locking the wheels

Answer

Lightly apply braking pressure

Answer

Apply the brakes all the way until the wheels lock up, release the brakes and apply them again when the wheels start to roll again

Answer

Repeatedly tap the brakes as fast as you can

Question 9

Which of the following is NOT a basic step to be taken at a crash scene?

Accepted Answer

Gather the contact information of all the drivers involved

Answer

Notify authorities

Answer

Care for the injured

Answer

Protect the area

Question 10

Which contains more alcohol: a 12-ounce glass of 5% beer, a 5-ounce glass of 12% wine or a 1 1/2-ounce shot of 80 proof liquor.

Accepted Answer

They all contain the same amount of alcohol

Answer

12-ounce glass of 5% beer

Answer

5-ounce glass of 12% wine

Answer

1 1/2-ounce shot of 80 proof liquor