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

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

2 / 40

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

3 / 40

Tires should should be replaced:

4 / 40

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

5 / 40

Which of the following are some suspension system defects?

6 / 40

Do empty trucks have the best braking?

7 / 40

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

8 / 40

Two causes of tire fires are ______.

9 / 40

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

10 / 40

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

11 / 40

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

12 / 40

How often should you check your cargo?

13 / 40

Which of the following statements about downshifting is NOT true?

14 / 40

Signs of distracted drivers include:

15 / 40

You should place the starter switch key into your pocket while you are performing the pre-trip inspection because:

16 / 40

What is the reason that placards are used?

17 / 40

Always try to back toward the driver's side because

18 / 40

Which of the following statements is FALSE?

19 / 40

With the controlled braking method, you _____?

20 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

21 / 40

Suspension systems:

22 / 40

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

23 / 40

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

24 / 40

Which two special conditions indicate that you should downshift?

25 / 40

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

26 / 40

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

27 / 40

Which of the following statements about downshifting is NOT true?

28 / 40

Which of the following are possible causes of tire fires?

29 / 40

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

30 / 40

When accelerating:

31 / 40

In the event of a tire failure you should...

32 / 40

How should you know when to shift?

33 / 40

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

34 / 40

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

35 / 40

You downshift automatic transmissions ______.

36 / 40

Which of the following should you do when confronted by an aggressive driver?

37 / 40

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

38 / 40

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

39 / 40

Why should you cover cargo?

40 / 40

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

Your score is

The average score is 60%

4.6/5 - (10 votes)

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