Combination #1
Combination Vehicles Practice Test | Connecticut 2025 #1 Page 3 of 3
Train for FREE online with our Connecticut CDL combination vehicle 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 combination license in 2025, 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 DMV requirements for issuing a combination license may vary from state to state.
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15 . What happens when the wheels of a trailer lock up?
The trailer will stop.
A trailer tends to swing around, potentially resulting in a trailer jackknife, if its wheels lock up.
16 . What is the tractor protection valve?
A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.
17 . What is off-tracking?
When a vehicle's wheels run over a curb during a turn
When a vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is known as off-tracking, or "cheating."
18 . One way to prevent a rollover is to:
Keep cargo as far from the ground as possible.
A rollover is more likely if cargo is unevenly loaded in a rig. To help prevent a dangerous rollover, it is important to keep a load as centered on the rig as possible.
19 . Failure to keep the fifth wheel plate properly greased could:
Affect the lights.
Failure to keep the fifth wheel plate properly lubricated can create friction between the tractor and trailer, causing steering problems.
20 . After connecting the air lines to the trailer while coupling, you should:
Connect the electrical cord.
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. After connecting the air lines to the trailer while coupling, you should supply air to the trailer.
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2025 Connecticut | Frequently Asked Questions
In Connecticut, to acquire a CDL Tank endorsement, you must first have a Commercial Driver's License (CDL). You then need to pass the Tank Vehicle endorsement test, which covers the special driving rules for tank vehicles. The test usually consists of 20 multiple choice questions. You can prepare for the test by studying the Connecticut CDL handbook.
To obtain a CDL Tank license in Connecticut, you must first have a Commercial Driver's License (CDL). You should then pass the Tank Vehicle endorsement test, which covers specific rules for tank vehicles. It's also essential to have a good driving record and meet the physical requirements outlined by the Federal Motor Carrier Safety Administration.
While Connecticut doesn't mandate specific training for a CDL Tank endorsement, it's highly recommended to prepare for the endorsement test. Experience is not explicitly required, but a good understanding of tank vehicles and their operation is necessary. Training programs can provide practical knowledge and help improve your chances of passing the test.
Yes, in Connecticut, to get a CDL Tank endorsement, you must pass the Tank Vehicle endorsement test. This written test focuses on specific regulations and safety measures for operating tank vehicles. The test typically includes around 20 multiple choice questions. Studying the Connecticut CDL handbook can help you prepare for this exam.
The written test for the CDL Tank endorsement in Connecticut covers a variety of topics specific to tank vehicles. These include inspecting tank vehicles, driving tank vehicles, and safe driving rules. It also covers the dangers of liquid surge in partially filled tanks and how to handle high center of gravity loads.
The CDL Tank endorsement assessment in Connecticut focuses on the knowledge required for operating tank vehicles safely. The test does not assess specific driving maneuvers but evaluates understanding of inspecting tank vehicles, handling high center of gravity loads, managing liquid surge in partially filled tanks, and following related safety regulations.
Yes, there are limitations and constraints for drivers with a CDL Tank endorsement. They are required to follow specific regulations related to the transportation of hazardous materials in tanks. These regulations include proper loading, unloading, and handling procedures, as well as adherence to weight restrictions and route restrictions designated for hazardous materials transportation. Additionally, drivers must have additional training and certification for handling tanks carrying hazardous materials.
No, a valid CDL Tank endorsement is required to transport liquid or gas materials in Connecticut. This endorsement ensures that drivers have the necessary knowledge and skills to safely handle and transport these potentially hazardous materials. Driving without the appropriate endorsement can lead to penalties, including fines and suspension of your CDL.
The CDL Tank endorsement can be added to your existing Commercial Driver's License (CDL) in Connecticut. It does not require a fresh license application. However, you will need to pass the Tank Vehicle endorsement knowledge test and pay the necessary fees to add it to your current CDL.
Yes, to handle hazardous materials with a CDL Tank endorsement in Connecticut, you must also obtain a Hazardous Materials (HazMat) endorsement. This requires passing a separate knowledge test, undergoing a background check, and being fingerprinted. Additionally, you must comply with federal regulations regarding the transportation of hazardous materials.
