CDL General
Knowledge Test

5

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

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

2 / 40

What is the correct number of red reflective triangles that you should carry?

3 / 40

With the controlled braking method, you _____?

4 / 40

Which of the following statements is FALSE?

5 / 40

Which of the following statements about overhead space is true?

6 / 40

The two main things to look ahead for while driving are _____.

7 / 40

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

8 / 40

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

9 / 40

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

10 / 40

When accelerating:

11 / 40

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

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

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

14 / 40

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

15 / 40

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

16 / 40

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

17 / 40

If you are transporting cargo, you should inspect the cargo and securing devices:

18 / 40

Which of the following are some suspension system defects?

19 / 40

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

20 / 40

For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?

21 / 40

Which of the following would NOT be part of a standard vehicle inspection?

22 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

23 / 40

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

24 / 40

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

25 / 40

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

26 / 40

Why should you cover cargo?

27 / 40

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

28 / 40

Signs of distracted drivers include:

29 / 40

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

30 / 40

What action should you take before driving while drowsy?

31 / 40

In safe driving, what does communicating mean?

32 / 40

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

33 / 40

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

34 / 40

Which of the following statements about downshifting is NOT true?

35 / 40

How often should you check your cargo?

36 / 40

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

37 / 40

Suspension systems:

38 / 40

What is a common cause of tire fires?

39 / 40

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

40 / 40

What can you do at an accident site to help avoid another accident?

Your score is

The average score is 75%

4.6/5 - (10 votes)

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