connecticut
CDL Practice Test

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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

How do you check the connection after locking the kingpin into the fifth wheel?

2 / 40

Which of the following answers lists the three types of emergency equipment you must have on your bus?

3 / 40

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

4 / 40

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

5 / 40

Select how brakes work on long, steep downgrades:

6 / 40

At what pressure is the safety valve in the air compressor tank set to open?

7 / 40

Check to ensure that____when inspecting the coupling.

8 / 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?

9 / 40

To inspect the______you should pump the pedal 3 times and hold it down for 5 seconds while making sure the pedal doesn't move during those 5 seconds.

10 / 40

What handling effect should you expect when your tank has baffles?

11 / 40

What is the reason that placards are used?

12 / 40

What can side to side surge cause?

13 / 40

What is the movement of the liquid called when the tanks are partially filled?

14 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

15 / 40

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

16 / 40

What is the best way to prevent brakes form overheating while drive down a steep grade?

17 / 40

When should you drain air tanks that do not have an automatic tank drain?

18 / 40

Drivers who transport route controlled radioactive materials must carry a dated certificate of radioactive materials training. This training must have ocurred within the last:

19 / 40

You downshift automatic transmissions ______.

20 / 40

You must keep shipping papers describing hazardous materials ______.

21 / 40

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

22 / 40

Select the true statement in regards to handing triples and doubles

23 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

24 / 40

Before pulling away, make sure the landing gear of the trailer is:

25 / 40

An air system that is fully charged will typically have ___ psi of pressure.

26 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

27 / 40

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

28 / 40

The purpose for the emergency air line is:

29 / 40

Select when you should use the hand valve to park a combination vehicle.

30 / 40

Which trailer is more likely to roll over when pulling 3 trailers?

31 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

32 / 40

The Emergency Response Guidebook (ERG):

33 / 40

The belt that you need to make sure is securely mounted, without frays, and adjusts and latches properly is the:

34 / 40

If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at a dock to carry 100 cartons of battery acid?

35 / 40

Select the true statement about baffled tankers:

36 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

37 / 40

What is a technical name?

38 / 40

Why should you cover cargo?

39 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

40 / 40

Select whether the following statement is true or false: Front wheel brakes are good to use in all conditions.

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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.