CDL General
Knowledge Test

1

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

When accelerating:

2 / 40

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

3 / 40

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

4 / 40

You are driving a 60 foot truck at 55 MPH, how much space (in seconds) should you keep in front of you?

5 / 40

Which two special conditions indicate that you should downshift?

6 / 40

Which of the following is a key steering component?

7 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

8 / 40

While driving at night, which lights should you use as often as you can?

9 / 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?

10 / 40

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

11 / 40

What action should you take before driving while drowsy?

12 / 40

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

13 / 40

A commercial motor vehicle (CMV) is defined as:

14 / 40

If you are stopped on an incline, how can you start moving without rolling back?

15 / 40

Which of the following should you NOT do if you experience a tire failure?

16 / 40

Wet brakes can cause _____.

17 / 40

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

18 / 40

How often should you check your cargo?

19 / 40

When stopped on a divided highway where should your reflectors be placed?

20 / 40

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

21 / 40

Shifting into a lower gear and removing your foot off of the accelerator to slow your vehicle is known as?

22 / 40

What are the three types of emergency equipment that you must have with your vehicle?

23 / 40

When driving in very hot temperatures, you should:

24 / 40

What is NOT one of the four skill areas that operating a commercial vehicle requires?

25 / 40

Tires should should be replaced:

26 / 40

In safe driving, what does communicating mean?

27 / 40

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

28 / 40

Two causes of tire fires are ______.

29 / 40

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

30 / 40

The average person requires how many hours of sleep per 24 hour period?

31 / 40

If you are drowsy, you should _____ before you drive.

32 / 40

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.

33 / 40

Tires should should be replaced:

34 / 40

If you do become sleepy while driving, you should _____.

35 / 40

Which of the following statements about downshifting is NOT true?

36 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

37 / 40

Always try to back toward the driver's side because

38 / 40

Which of the following are possible causes of tire fires?

39 / 40

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

40 / 40

What is a common cause of tire fires?

Your score is

The average score is 67%

4.6/5 - (10 votes)

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