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

For emergency braking to avoid a crash when driving a double trailer you should:

2 / 40

Which of the following statements about downshifting is NOT true?

3 / 40

When should the trailer hand valve be used?

4 / 40

What kind of surge can occur in a tank with baffles?

5 / 40

How do you check the power steering fluid?

6 / 40

What gauge on the dashboard indicates electrical system charging rate?

7 / 40

How do you check the air flow to the last trailer?

8 / 40

Select the inappropriate way to test for the low pressure warning signal.

9 / 40

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

10 / 40

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

11 / 40

How do you know when your brakes are fading?

12 / 40

Mirrors with a convex surface or "spot" mirrors _____.

13 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

14 / 40

This object should be clean with no obstructions, illegal stickers or damage to the glass.

15 / 40

Charter drivers should not:

16 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

17 / 40

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

18 / 40

You must have placards for explosives, poison gas or flammables exceeding:

19 / 40

You should never brake and should rely only steering inputs to avoid a crash while driving a tanker truck.

20 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

21 / 40

The system that needs to be checked for signs of leaks with rust or carbon soot and damage is the _____.

22 / 40

Select the correct description for a bulkhead tank.

23 / 40

Which of the following is something the driver must watch for:

24 / 40

You should activate hazard lights within approximately how many feet before railroad crossing?

25 / 40

Some school busses are marked with the LNG placard. What does LNG stand for?

26 / 40

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

27 / 40

Placarded vehicles must carry which type of fire extinguisher?

28 / 40

Why do air brakes take longer to stop than hydraulic brakes?

29 / 40

Before backing under the trailer you should______when coupling a tractor and trailer with air lines already connected.

30 / 40

What does the amount of liquid you can carry depend on?

31 / 40

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

32 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

33 / 40

How should the pintle hook be when backing a dolly under the second trailer?

34 / 40

When you discharge an unruly passenger, you must choose a place that is:

35 / 40

Select the true statement about converter dollies:

36 / 40

How often should you check the tires if your placarded trailer has dual tires?

37 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

38 / 40

Water is drained from the compressed air tanks because:

39 / 40

When transporting hazardous loads, you must check the tires at least:

40 / 40

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

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.