CDL General
Knowledge Test

2

This is the Commercial Vehicle Driver's License Test covering General Knowledge.  You will be presented with 40 questions and you must answer 34 questions correctly to pass.  There is no time limit.  You may not go back once you answer a question.  Click the "Start Test" button below to begin.  Good luck!

1 / 40

If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?

2 / 40

For any flatbed load you must have at least ____ tie downs.

3 / 40

To maintain alertness during the trip, drivers should:

4 / 40

How can you determine if your vehicle is equipped with ABS?

5 / 40

What is the best way to figure out how many seconds of following distance you have?

6 / 40

Always try to back toward the driver's side because

7 / 40

What is the first thing to do if your vehicle catches fire while driving?

8 / 40

What is the best way to see the sides and rear of your vehicle?

9 / 40

With the controlled braking method, you _____?

10 / 40

Which of the following is NOT an appropriate reason to flash your braking lights?

11 / 40

Tires should should be replaced:

12 / 40

Where should you place your warning devices if you must stop on a one-way or divided highway?

13 / 40

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

14 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

15 / 40

When using turn signals, which of the following should be avoided?

16 / 40

The minimum tire tread depth for front tires is:

17 / 40

Two causes of tire fires are ______.

18 / 40

Which of the following is the most important reason for doing a pre-trip inspection?

19 / 40

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

20 / 40

Suspension systems:

21 / 40

A commercial motor vehicle (CMV) is defined as:

22 / 40

The most important hand signal you should agree on with a helper is:

23 / 40

The minimum tread depth for tires other than the front tires is ____.

24 / 40

Signs of distracted drivers include:

25 / 40

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?

26 / 40

The manual says you should look _____ ahead while driving.

27 / 40

In the event of an accident you should remember to do the following EXCEPT:

28 / 40

What are some of the important parts in the steering system?

29 / 40

Which of the following statements about stopping distances is NOT true?

30 / 40

Do empty trucks have the best braking?

31 / 40

Which of the following statements about overhead space is true?

32 / 40

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

33 / 40

In safe driving, what does communicating mean?

34 / 40

It has just reached freezing. Which of the following areas is slippery?

35 / 40

If you double your speed, what will happen to your stopping distance?

36 / 40

Why should you cover cargo?

37 / 40

Which of the following statements about downshifting is NOT true?

38 / 40

Wet brakes can cause _____.

39 / 40

What might happen if you swing wide to the left before you turn right?

40 / 40

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

Your score is

The average score is 64%

4.6/5 - (10 votes)

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