Air Brakes #1
Air Brakes Endorsement Test | Virginia 2024 #1 Page 4 of 4
Train for FREE online with our Virginia CDL air brake 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 VA Class A/Class B driver license in 2024, 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 the requirements for CDL may vary from state to state.
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19 . If an air compressor is belt-driven, the belt should be routinely checked to ensure that it is:
If your vehicle has air brakes, the air compressor drive belt should be checked before each drive. Check the tightness of the belt and verify that it is in good condition.
20 . What do the two systems of a dual air brake system share?
Both systems in a dual air brake systems share a single air compressor. If the air compressor is damaged, neither system will be able to operate properly.
21 . Do not operate a vehicle if any brake drums have cracks that are larger than ____ of the width of the friction area.
Before beginning a trip, it is important to check the brake drums during your walk-around inspection. It is unsafe to drive if any brake drum has a crack more than one half of the width of the friction area.
22 . What does the air compressor governor do?
In an air brake system, the air compressor governor controls when the air compressor pumps air into the storage tanks. It stops pumping if the pressure in the tanks becomes too high, and begins pumping if the pressure becomes too low.
23 . When leaving your vehicle unattended:
In general, you should always use the parking brake when parking your vehicle. However, you should not apply the parking brake if your brakes are very hot or if your brakes are wet and temperatures are below freezing.
24 . If the air pressure in an air brake system becomes too low, it may:
If the pressure in an air brake system becomes too low, the brakes will no longer work. If the low pressure warning signal activates, you should leave the road and stop safely while you still have braking power.
25 . When you are about to start down a hill, you should switch into a ____ gear.
Before starting down a hill, be sure to switch into a low gear. Gravity will increase your vehicle's speed as you travel downhill.
See the exact questions that will be on the 2024 Virginia DMV exam.
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2024 Virginia | Frequently Asked Questions
In Virginia, a Commercial Driver's License (CDL) Class A is defined as a license that allows the holder to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 lbs or more, provided the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed is over 10,000 lbs. It includes tractor-trailers, truck and trailer combinations.
A Class A CDL license in Virginia allows holders to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. The vehicles can have a Gross Combination Weight Rating (GCWR) of 26,001 lbs or more, provided the towed vehicle(s) have a Gross Vehicle Weight Rating (GVWR) over 10,000 lbs.
To obtain a Class A CDL license in Virginia, you must be at least 18 years old (21 for interstate driving), have a valid Virginia driver's license, pass a vision test, and complete a self-certification process. You'll also need to pass knowledge and skills tests, including general knowledge, combination vehicle, and air brakes tests. Medical examinations may also be required.
In Virginia, to qualify for a Class A Commercial Driver's License (CDL), you must be at least 21 years old. This age requirement is set to ensure that drivers have the maturity and experience needed to handle large commercial vehicles on both intrastate and interstate highways.
In Virginia, specific endorsements are not required for a Class A CDL license, but they can broaden your driving capabilities. Endorsements such as Hazmat (H), Tank (N), Passenger (P), and School Bus (S) may be added after passing additional written and skills tests. These allow you to transport hazardous materials, drive tank vehicles, passenger vehicles, and school buses respectively.
The Class A CDL skills test in Virginia encompasses three parts: a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving test. The pre-trip inspection assesses your ability to inspect your vehicle before driving. The basic control test evaluates your ability to maneuver and control the vehicle. The on-road test assesses your ability to safely operate the vehicle in various traffic situations.
Yes, Class A CDL license holders may face limitations based on their specific endorsements or lack thereof. For instance, without a Hazardous Materials endorsement, they cannot transport hazardous materials. Additionally, restrictions can be placed on a CDL due to the driver's physical condition, such as needing corrective lenses or an automatic transmission restriction.
Yes, it is possible to take the written Class A CDL test in languages other than English in Virginia. The Virginia Department of Motor Vehicles (DMV) offers the test in various languages. However, federal regulations require that all CDL applicants demonstrate proficiency in English to ensure safety on the roads.
Yes, accommodations can be requested for the Class A CDL written test in Virginia if you have a disability. These may include accessible facilities, extra time, or other necessary adjustments. It's recommended to contact the Virginia Department of Motor Vehicles (DMV) in advance to discuss your needs and ensure appropriate accommodations can be provided.
Yes, you can retake the Class A CDL written test in Virginia if you don't pass on your first attempt. You must wait at least 15 days before retaking the test. There's no limit to how many times you can retake the test, but each attempt will require a new testing fee.
