Combination #1
Combination Vehicles Practice Test | Maine 2025 #1 Page 3 of 3
Train for FREE online with our Maine 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 ME 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 . The trailer hand valve should be used:
The trailer hand valve (also referred to as the "trolley valve" or "Johnson bar") works the trailer brakes and should be used only when testing them. Using the trailer hand valve while driving could result in a skid.
16 . A trolley valve:
The trailer hand valve (also referred to as the trolley valve or Johnson bar) is a mechanism that works the trailer brakes. It should only be used to test the brakes. Using it while the vehicle is being driven could cause a skid. Never use the trailer hand valve while parking because doing so may release the air pressure from the braking system, releasing the brakes that are holding the vehicle in place.
17 . Combination vehicles need extra space on the road because they:
Combination vehicles need more space on the road than other commercial vehicles because they are longer and need more space to turn and stop. It is especially important to properly manage space when you are operating a combination vehicle.
18 . Shut-off valves:
Shut-off valves are used in air supply lines to control the passage of air from one trailer to another. The rear shut-off valve should always be closed to prevent air from leaving the braking system.
19 . Keeping cargo centered on a rig can:
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.
20 . When backing up your tractor while coupling it to a trailer, the trailer brakes should be:
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. Before backing your tractor under the trailer while coupling, make sure your trailer brakes are locked.
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2025 Maine | Frequently Asked Questions
To secure a CDL Bus endorsement in Maine, you must first have a Commercial Driver's License (CDL). Then, pass the passenger endorsement test which covers topics like inspecting passenger vehicles, loading and trip start procedures. Additionally, you must pass a skills test in a bus similar to the one you'll be driving. Remember, additional requirements may apply depending on specific job roles.
To obtain a CDL Bus license in Maine, you'll need to have a valid driver's license, pass the CDL general knowledge test, and complete the Passenger Transport Endorsement test. Additionally, you'll need to pass a CDL skills test in a bus-like vehicle. A medical examination and background check are also required. Check with Maine's Bureau of Motor Vehicles for more details.
Yes, specific training is necessary for a CDL Bus endorsement. After obtaining a Commercial Driver’s License (CDL), you must pass the Passenger Endorsement written test. Some employers also require on-the-job training where you will learn how to operate a bus, handle passengers, and manage emergency situations. Check with your employer or local DMV for specific requirements.
CDL Bus licenses fall under three main classifications: Class A, Class B, and Class C. Class A is for vehicles towing trailers over 10,000 pounds. Class B is for single vehicles over 26,000 pounds or towing trailers less than 10,000 pounds. This includes buses. Class C is for vehicles carrying 16 or more passengers including the driver. Each class requires different tests.
No, you cannot use your personal vehicle for the CDL Bus driving test. The vehicle used for the test must match the type and class of vehicle that matches the CDL you are attempting to obtain. For a bus endorsement, you would need to test in a bus. Check with your local DMV or training school for available options.
During the CDL Bus driving test, examiners evaluate skills like pre-trip vehicle inspection, basic vehicle control, and on-road driving. You may be asked to perform maneuvers like turning, merging, backing up, and parallel parking. They also assess your knowledge on handling emergencies, passenger safety protocols, and understanding of bus-specific traffic laws.
Yes, additional medical prerequisites are required for a CDL Bus endorsement in Maine. Applicants must pass a Department of Transportation (DOT) physical examination every 24 months. The exam assesses vision, hearing, blood pressure, and checks for conditions like epilepsy or heart disease that could affect driving ability. A Medical Examiner's Certificate is issued upon passing.
No, it's not permissible to transport passengers without a valid CDL Bus endorsement. Operating a commercial passenger vehicle without the appropriate licensing and endorsements is illegal and can result in hefty fines, suspensions, or even revocation of your CDL. It's crucial to obtain the necessary licenses and endorsements to ensure passenger safety and legal compliance.
The CDL Bus endorsement can be added to your existing CDL. You'll need to pass the passenger transport test and a skills test in a passenger vehicle. It's not a whole new application, but you will have to pay additional fees for the endorsement and possibly for the testing, depending on your state's regulations.
Yes, drivers with a CDL Bus endorsement in Maine must adhere to certain restrictions. They cannot operate a commercial vehicle if their blood alcohol concentration is 0.04% or higher. They are also subject to hours-of-service regulations, which limit the number of consecutive hours they can drive. Violations can result in fines, license suspension, or disqualification.
