Knowledge Test Class B #2
Class B Driving Test | Connecticut 2026 #2 Page 5 of 7
Train for FREE online with our Connecticut class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a CT CDL class B permit in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
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29 . A stopped bus:
You should always exercise caution when driving near a stopped bus. There could be passengers in the vicinity and the bus may either prevent them from seeing you or you from seeing them.
30 . When leaving a vehicle unattended, a driver should:
Always apply the parking brake when leaving your vehicle unattended.
31 . What does ABS do?
Prevent the brakes from being used if downshifting would be more effective
The purpose of an Anti-Lock Braking System (ABS) is to prevent wheels from locking up during hard applications of the brakes, especially on slippery surfaces.
32 . A commercial motor vehicle should:
Always be equipped with at least one fire extinguisher.
Vehicles must be equipped with the appropriate emergency equipment. When inspecting a CMV, you should check for at least one fire extinguisher; spare electrical fuses, unless the vehicle is equipped with circuit breakers; and the appropriate warning devices to be used when the vehicle is parked.
33 . A pre-trip inspection should include:
When examining the engine compartment during a pre-trip inspection, you should check the engine oil level, the radiator coolant level, and the condition of the hoses.
34 . The air storage tanks:
Hold enough air for more than 1,000 braking cycles.
In an air brake system, the air storage tanks hold enough air for brakes to be used several times if the compressor stops working.
35 . Alcohol is removed from the body:
The liver removes alcohol from the body at a fixed rate. Despite popular belief, tricks like drinking coffee or taking a cold shower will not speed up the process. The only way to become sober is to allow your body the time it needs to remove the alcohol from your system.
2026 Connecticut | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Connecticut, you must first have a Commercial Driver's License (CDL). Then, you'll need to pass the Doubles and Triples Endorsement Test, which covers knowledge on coupling and uncoupling, inspecting doubles and triples, and handling. It's recommended to study the Connecticut CDL manual before taking the test.
To obtain a CDL Doubles/Triples license, you first need a valid Commercial Driver's License (CDL). Then, pass the Doubles/Triples Endorsement Test. The test covers knowledge on coupling and uncoupling, inspecting doubles and triples, and their handling. Study the relevant state's CDL manual thoroughly before taking the test to ensure a passing score.
While not mandatory, it's beneficial to have specialized training for a CDL Doubles/Triples endorsement. This endorsement requires passing a knowledge test on handling, inspecting, and coupling/uncoupling double and triple trailers. Studying the state's CDL manual prepares you for this test. Practical experience driving these vehicles can also be advantageous.
Yes, an additional written knowledge test is mandatory to obtain a CDL Doubles/Triples endorsement in Connecticut. This test covers specific areas such as coupling and uncoupling, inspecting doubles and triples, and pulling double/triple trailers. No additional driving skills test is required beyond the initial CDL test.
The CDL Doubles/Triples endorsement test is a written knowledge test, so no specific driving maneuvers are needed. The test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling these types of vehicles. It's crucial to understand these concepts thoroughly to pass the test. Practical skills are typically assessed during the general CDL road test.
No, it is not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in Connecticut, or any other state. This endorsement is required to ensure that drivers have the necessary skills and knowledge to safely handle these types of vehicles on the road. Operating without it can result in serious penalties.
You can append the CDL Doubles/Triples endorsement to your existing Commercial Driver's License in Connecticut. You don't need to initiate a new application for a CDL, but you must pass the Doubles/Triples written knowledge test and pay the required fee to add the endorsement to your license.
Yes, there are limitations for drivers holding a CDL Doubles/Triples endorsement. Drivers must adhere to specific weight and length restrictions for the trailers. Also, certain roads or areas may prohibit the operation of double/triple trailers. Plus, regular medical examinations are required to ensure drivers are physically capable of safely operating these vehicles. Always check local and state regulations.
In Connecticut, the maximum gross vehicle weight for double/triple trailers is 80,000 pounds. The maximum length for any one semi-trailer is 48 feet, with an overall length limit of 65 feet for the combination of all trailers. However, exceptions may apply for certain types of freight or routes. Always follow specific regulations and guidelines.
Yes, there are specific safety guidelines for driving double/triple trailers. Drivers must have knowledge of how to couple and uncouple correctly, inspect their vehicle, check brake systems, and distribute cargo weight evenly. They should also be aware of the "crack-the-whip" effect unique to doubles/triples, and they must adhere to all general CDL safety regulations.