connecticut
CDL Practice Test

1

This site is available to practice and prepare to take the Connecticut CDL test. These tests are free and you are able to take tests as many times as you would like as you prepare to go to the DMV to take the CT CDL knowledge test. You will be presented with 40 questions and you must answer 32 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

Should your air compressor stop working:

2 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

3 / 40

Select the true statement in regards to handing triples and doubles

4 / 40

It is very important that you never smoke around which hazard classes?

5 / 40

If you work for an interstate carrier:

6 / 40

Bus drivers must have a CDL if they drive a vehicle:

7 / 40

A safe haven is ______.

8 / 40

What does it mean when the safety valve releases air?

9 / 40

What are some of the important parts in the steering system?

10 / 40

The 3 parts of the air brake system are: service brakes, parking brakes, and ____.

11 / 40

Which of these is a good rule for backing a straight bus?

12 / 40

What should you hear when you have the hand valve on and are testing the trailer brakes by opening the service air line at the back of the trailer?

13 / 40

Buses may NOT have recapped or regrooved tires:

14 / 40

You should check the_____when loading small tanks equipped with bulkheads.

15 / 40

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

16 / 40

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

17 / 40

How far away are you required to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?

18 / 40

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

19 / 40

When backing, what is the best method to use to avoid blind spots?

20 / 40

The baffles in a tank trailer help to control:

21 / 40

Which trailer is most likely to tip over due to the crack the whip effect?

22 / 40

A hazard class that uses transport indexes to determine the amount that can be loaded in a single vehicle is _____.

23 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

24 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

25 / 40

The emergency air line is used to:

26 / 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?

27 / 40

Select the true statement about retest markings:

28 / 40

Drivers placard their vehicle to _____ the risk.

29 / 40

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

30 / 40

What do yo need to do before supplying air to the air tanks of the second trailer?

31 / 40

____is the most common type of foundation brakes used by heavy vehicles.

32 / 40

A driver of a tanker should use an escape ramp when _____.

33 / 40

Wet brakes can cause _____.

34 / 40

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

35 / 40

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

36 / 40

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

37 / 40

When transporting explosives you may not park:

38 / 40

At what "cut out" level does the governor stop pumping air?

39 / 40

Select how you would check the truck's slack adjusters.

40 / 40

You are checking the_______when looking at the dipstick to see if the lubrication is at the safe operating range or above the refill line.

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CDL Category Practice Tests

CDL Practice Test

How To Get A connecticut Commercial Drivers License

Those looking to obtain a Connecticut CDL must have a valid operator’s license and the following requirements below. Applicants between the ages of 18 and 21 can apply for an intrastate CDL license. Only those who are 21 years of age or older may apply for an interstate CDL as well as Hazmat, Doubles/Triples, Passenger, and School Bus Endorsements. All CDL applicants must have a medical examiner’s certificate, or DOT physical card, to be eligible for a CDL. In addition, all applicants must complete a self-certification form which describes the types of vehicles that the applicant intends to drive with their commercial driver’s license.

Any applicants who have the following are disqualified from receiving their commercial driver’s license.

  • If you are subject from receiving CDL driving privileges in another state.
  • If you have an impaired driving conviction in a commercial vehicle in the past 24 months.
  • If your license is currently suspended, revoked, denied, or canceled.
  • If you have more than one driver’s license.

CDL applicants are required to complete at least one knowledge assessment and a skills test to ensure their proficient understanding and knowledge of the commercial driving laws in the state of Connecticut.

Endorsements
T – Double or Triple Trailers
P – Passenger / Transport
N – Liquid Bulk / Tank Cargo
H – Hazardous Materials
X – Hazardous Material and Tank Combined
S – School Bus
V – Student Transportation Vehicle
A – Activity Vehicle
F – Taxi, Service Bus, Livery, Motor Bus, Motor Coach

Hit the Open Road

connecticut CDL License Test Tips

All applicants are required to complete written knowledge tests to obtain their CDL. Those looking for a Class A CDL will need to complete a 70-question test. Those looking for Class B and C CDLs will need to complete a 50-question general knowledge test. Those seeking endorsements and removal of the Air Brake Restriction will be responsible for taking a knowledge test for each endorsement or removal sought. These tests range between 20 and 30 questions. All tests must be passed with a score of 80 percent or greater.All applicants must complete a skills test in accordance with the federal regulations. Each skills test is comprised of a pre-trip inspection, driving assessment, and basic control skills. All three parts must be passed in order for the applicant to receive their commercial driver’s license. Those seeking endorsements must take the skills test in the vehicle type their intended endorsement is for.

Additional Information

Information on the Connecticut Department of Motor Vehicles

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

Website:  https://portal.ct.gov/DMV/Licenses/Licenses/Commercial-Drivers/CDL---Main-Menu

Phone:  860.263.5700

 

Additional Connecticut CDL Helpful Links

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