Combination #2
Combination Vehicles Practice Test | Montana 2025 #2 Page 2 of 3
Train for FREE online with our Montana 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 MT 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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8 . Before beginning a trip, you should:
Before a trip, you should ensure that air reaches all air brakes on all trailers by opening up the rear emergency line and service line shut-off valves and listening for escaping air. Close both shut-off valves before beginning to drive.
9 . Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:
Swerve more often.
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.
10 . If the emergency air line loses pressure:
The tractor protection valve keeps air in the trailer's braking system should the trailer break away or develop a leak. A loss of air pressure in the emergency line will cause the tractor protection valve to open and the emergency trailer brakes to activate.
11 . Air pressure in the ____ air line is controlled by either the foot brake or trailer hand brake.
Auxiliary
Air pressure in the service air line is controlled by either the foot brake or trailer hand brake. The service air line is also known as the control line or signal line. This line is connected to relay valves, which allow the trailer brakes to be applied more quickly than would otherwise be possible.
12 . When uncoupling a trailer, landing gear should be:
Firmly on the ground.
Landing gear, or trailer supports, should always be completely raised before a vehicle is driven. When uncoupling, landing gear should be lowered to make firm contact with the ground. If a trailer is loaded when it is being uncoupled, you should lower the landing gear and turn the crank a few additional times to remove some weight from the trailer.
13 . 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."
14 . During a trip, the ____ should be open.
When starting a trip, be sure that all shut-off valves are in the open position, except for the last valves on the rear trailer. It is important that air reaches the brakes on all trailers and that it is not able to escape from the back of the vehicle.
2025 Montana | Frequently Asked Questions
A CDL Class A license in Montana is defined as a commercial driver's license permitting the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed is over 10,000 pounds. It covers vehicles like tractor-trailers, truck and trailer combinations.
A Class A CDL license in Montana allows you to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, and livestock carriers. It covers any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the towed vehicle(s) is over 10,000 pounds.
To obtain a Class A CDL license in Montana, you must be at least 18 years old (21 for interstate driving), possess a valid Montana driver's license, pass a vision test, and successfully complete both a written knowledge test and a skills test which includes a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving exam.
In Montana, you must be at least 18 years old to qualify for a Class A Commercial Driver's License (CDL) for intrastate driving (within Montana only). However, to drive interstate (across state lines) or carry hazardous materials, you must be at least 21 years old.
Endorsements are not required for a Class A CDL license, but they provide additional driving privileges. For instance, you may need a Hazardous Materials (H) endorsement to haul hazardous freight, a Tank (N) endorsement to drive tank vehicles, or a Passenger (P) endorsement to transport passengers. Each endorsement requires passing a specific knowledge test.
The Class A CDL skills test in Montana includes three sections: a pre-trip vehicle inspection to ensure the vehicle is safe to drive, a basic vehicle control test to verify your ability to control the vehicle, and an on-road driving exam to assess your ability to drive the vehicle in various road and traffic conditions.
Yes, there are limitations imposed on Class A CDL license holders. Some limitations or restrictions may include: not being permitted to operate a manual transmission if you passed your test in an automatic vehicle, not being allowed to drive a school bus without the proper endorsement, or being required to wear corrective lenses while driving if it's indicated on the license.
In Montana, the written Class A CDL test is primarily administered in English. This is in line with Federal regulations requiring all commercial drivers to read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, in Montana, accommodations can be made for the Class A CDL written test if you have a disability. You'll need to provide documentation of your disability and specify the type of accommodation needed. It's recommended to contact the Montana Motor Vehicle Division beforehand to ensure all necessary arrangements are made.
Yes, if you don't pass the Class A CDL written test in Montana, you can retake it. However, you must wait at least one day before attempting the test again. Keep in mind that each retest may involve additional fees. It's recommended to review and study the areas you struggled with before retaking the test.