Knowledge Test Class B #1
Class B Driving Test | Montana 2025 #1 Page 4 of 7
Train for FREE online with our Montana 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 MT CDL class B permit 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 CDL class B requirements may vary from state to state.
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22 . To warn drivers behind you that you will be slowing down, you should:
To let drivers behind you know that you plan to slow down, lightly tap your brake pedal a few times to flash your brake lights. It is important to communicate your intentions to other drivers.
23 . If the low air pressure warning signal comes on, you should:
If the low air pressure warning signal comes on while you are driving a vehicle with air brakes, you should immediately bring the vehicle to a safe stop while you are still able to control the brakes. Inspect and repair the brakes as soon as possible.
24 . As part of the vehicle inspection test, a CDL applicant may be asked to:
When checking the engine compartment during the vehicle inspection test, you will need to check the engine oil level.
25 . You should always be able to stop within:
A minute of hitting the brakes.
You should always make sure that your vehicle will be able to stop within the area of the road that you are able to see. This means that you must slow down whenever conditions reduce visibility.
26 . Convex mirrors:
Are illegal to be used in most states.
Many large vehicles have curved, convex mirrors. Convex mirrors allow drivers to see a wider area than flat mirrors. However, they also make objects seem smaller and farther away than they really are.
27 . Poisonous fumes can enter the cab due to:
Under-inflated tires.
Defects in an exhaust system are very dangerous because they can cause poisonous fumes to enter the cab or sleeper berth.
28 . Which of the following is acceptable if found during a pre-trip inspection?
Cracks in the tires
When inspecting your tires, verify that there is tread depth of at least 4/32 of an inch in every major groove on the front tires and tread depth of at least 2/32 of an inch in grooves on the other tires. Be sure that your tires are not too worn, are not cracked, have proper air pressure, and are all equally sized.
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.