FREE Air Brakes Endorsement Test Online | Maryland 2023
Train for FREE online with our Maryland 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 MD Class A/Class B driver license in 2021, 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.
1 . Brake fade is a result of:
If brakes are overused, they can become too hot. This overheating causes them to fade, making them less effective at slowing the vehicle.
2 . Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure levels drop to an unsafe level, the parking brake valve should pop out and spring brakes should come on.
3 . You should test the low pressure warning signal by:
It is essential that your low pressure warning light functions properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.
4 . To use the stab braking method in an emergency situation, you should:
The stab braking method for emergency stops involves fully applying the brakes until they lock up. The brakes are then released until the wheels start rolling, then the process is repeated.
5 . What is removed when an air tank is drained?
In an air brake system, the air storage tanks are equipped with drains to allow water and compressor oil to be removed. The water and oil can damage the brakes if left to accumulate in the system.
6 . A low air pressure warning signal:
Any vehicle with air brakes must be equipped with a low air pressure warning signal.
2023 Maryland | Frequently Asked Questions
You will answer 50 multiple-choice questions that will test your understanding of content from the Maryland Commercial Driver License Manual in order to assist you pass your written CDL knowledge test.
The Maryland driving exam is divided into two sections: a controlled circuit and a public road. The test will begin with the closed course portion. You'll be required to do things like the reverse two-point turnabout, which entails backing into a specified spot that looks like a driveway or lane.
A commercial learner's permit (including expenses for the skills exam) is about $90.
According to a new analysis by Utah-based law firm Siegfried & Jensen, the Maryland test is the third most difficult in the US to pass. To compile the rating, the firm looked at the requirements, prices, and complexity of the knowledge exams and road tests in each state. Maryland received a 75 out of 100 difficulty rating.
If you fail the test three times or wait more than ninety days to retake it, your application will be terminated, and you will have to start the procedure over.