colorado
CDL Practice Test

0

Welcome to the Colorado CDL practice test site. Topics covered in these practice tests are designed to prepare you for the Colorado Department of Motor Vehicles CDL test. These tests are free and you are able to take tests as many times as you would like as you prepare to obtain your Colorado CDL. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit.  You may not go back once you answer a question. Click the "Start Test" button below to begin. 

1 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

2 / 40

A tank trailer should never be fully loaded due to:

3 / 40

The best way to describe a dual air brake system is:

4 / 40

Where is compressed air stored?

5 / 40

How do you determine if slack adjusters need to be adjusted?

6 / 40

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

7 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

8 / 40

Five hazard classes that require placarding in any amount are ______.

9 / 40

The trailer height is correct for connecting a converter dolly to a second trailer when:

10 / 40

What is a technical name?

11 / 40

Select which is not an engine compartement belt:

12 / 40

The crack-the-whip effect is more likely to cause the front trailer to tip over.

13 / 40

Select which is not a mandatory emergency equipment:

14 / 40

What should you do before you begin to couple?

15 / 40

Wet brakes can cause _____.

16 / 40

A tractor should not be backed under a trailer until the whole air system is:

17 / 40

When must a driver’s inspection report be completed?

18 / 40

It takes special care to drive tankers with liquid in them because:

19 / 40

Why should you know the outage?

20 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

21 / 40

Cargo tanks ____.

22 / 40

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

23 / 40

You downshift automatic transmissions ______.

24 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

25 / 40

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

26 / 40

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

27 / 40

This gauge will indicate if the generator or alternator is charging:

28 / 40

After deciding the type of evacuation that is necessary, the next step you must take is:

29 / 40

The best way to test if the spring brakes come on automatically is to:

30 / 40

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

31 / 40

Which of the following statements is FALSE:

32 / 40

What is a passive railway crossing?

33 / 40

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

34 / 40

Air brake systems should not lose air faster than____when testing for air leakage rates in combination vehicles before applying the brake pedal.

35 / 40

Which of the following will confirm that you are driving with anti-lock brakes?

36 / 40

Select the true statement about dual air brake systems.

37 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

38 / 40

Remember to____when connecting the converter dolly to the rear trailer.

39 / 40

What is the value of the overhead rear-view mirror inside of the bus?

40 / 40

Select how brakes work on long, steep downgrades:

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A colorado Commercial Drivers License

Colorado residents the age of 18 or older can apply for their commercial driver’s license. Those between the ages of 18 and 21 are restricted to intrastate driving. Individuals must be 21 years or older to receive their Hazmat, School Bus, or Doubles/Triples Endorsements. All applicants must possess a DOT medical card issued by a FMCSA certified medical examiner in order to be eligible for their CDL.

Any applicants that fall under the following conditions are automatically disqualified from receiving a CDL.

  • Having more than one driver’s license.
  • Being disqualified for commercial driving privileges in another state.
  • Being convicted in the past two years of driving a commercial vehicle impaired.
  • Having a suspended, canceled, denied, or revoked driver’s license.

All Colorado residents who are seeking to get their commercial driver’s license must pass both one or more knowledge tests as well as a practical skills test.

Endorsements
T – Double And Triple Trailers
N – Tanker Vehicles
P – Passenger
S – School Bus
H – Hazardous Materials
X – Tanker With Hazmat

Hit the Open Road

colorado CDL License Test Tips

All applicants are required to take one or more knowledge tests to display their comprehension of the commercial driving law. Class A, B, and C applicants must complete a 50 question assessment. Class A applicants are responsible for completing an additional 20 questions all based on the subject of combination driving. Applicants seeking endorsements will be required to complete a knowledge test specific to the endorsement sought. The endorsement tests range between 20 and 30 questions. All applicants must receive a score of 80 percent or higher to pass a knowledge test.Applicants for a Colorado CDL must complete a skills test is order to receive their CDL. The skills assessment is comprised of an on-road test, vehicle inspection, and basic controls skills test. Applicants who are applying for endorsements are required to complete the skills test with the type of vehicle the endorsement is intended for.

Additional Information

Information on the Colorado Division of Motor Vehicles

The State of Colorado Department of Revenue Division of Motor Vehicles regulates the CDL requirements and testing in Colorado. To get more information contact them via:

Website:  https://www.colorado.gov/pacific/dmv/im-commercial-driver

Phone:  303.205.5600

 

Additional Colorado CDL Helpful Links

Please use the links below to access more valuable Colorado CDL testing resources and to learn more about practice driving tests for the state of Colorado.