FREE Air Brakes Endorsement Test Online | Maryland 2024 Page 4 of 4
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.
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19 . What color are ABS malfunction lamps?
Blue
Vehicles with Anti-Lock Braking Systems (ABS) have yellow malfunction lamps.
20 . To stop in a vehicle that uses air brakes, the driver should:
Pull the brake pedal up.
To make a normal stop in a vehicle with air brakes, push the brake pedal down. The harder the pedal is pressed, the more air pressure is released.
21 . Air tank drains:
Must remain open while driving.
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.
22 . Most heavy-duty vehicles use ____ air brake systems.
Quad
The majority of heavy-duty vehicles are equipped with dual air brake systems.
23 . During a static leakage test, the maximum leakage rate for a double combination vehicle is:
4 psi in one minute.
When performing a static leakage test on a double combination vehicle with air brakes, the leakage rate should be no more than 3 psi in one minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
24 . Air tank drains:
Must remain open during driving.
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.
25 . Air tank drains should:
In an air brake system, air tank drains are used to remove water and compressor oil from the air tanks. When operating a drain, be sure to drain the tank completely.
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2024 Maryland | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Maryland, you need to have a valid Commercial Driver's License (CDL). Then, you must pass the Doubles/Triples endorsement knowledge test administered by the Maryland Motor Vehicle Administration (MVA). Studying the CDL manual and taking practice tests can help prepare for this examination.
To obtain a CDL Doubles/Triples license, you must already hold a Commercial Driver's License (CDL). Then, you need to pass the Doubles/Triples endorsement knowledge test. You're required to understand safety procedures, coupling and uncoupling, inspecting doubles and triples, and pulling double/triple trailers. It's recommended to study the CDL manual and take practice tests for preparation.
While specialized experience or training is not a legal requirement for a CDL Doubles/Triples endorsement, it's highly beneficial. Knowledge of safety procedures, coupling and uncoupling, and inspecting doubles and triples is crucial. Studying the CDL manual and taking practice tests can provide this knowledge. Some applicants may choose to attend a training school for practical experience.
Yes, to obtain a CDL Doubles/Triples endorsement in Maryland, you must pass the Doubles/Triples endorsement knowledge test. This written test covers information specific to driving vehicles with double or triple trailers. Studying the CDL manual and taking practice tests is highly recommended to prepare for this exam.
The CDL Doubles/Triples endorsement test in Maryland is primarily a written knowledge test. It focuses on specific rules and safety aspects of handling multiple trailers, such as coupling and uncoupling, inspecting doubles and triples, and managing the vehicles during various driving conditions. It does not typically include a skills or driving test showcasing specific maneuvers.
No, it is not permissible to operate double or triple trailers without a valid CDL Doubles/Triples endorsement in Maryland. Operating such vehicles without the appropriate endorsement can result in fines, license suspension, and potentially criminal charges. This endorsement ensures that drivers have the necessary knowledge and skills to safely operate these larger vehicles.
In Maryland, you can append the Doubles/Triples endorsement to your current Commercial Driver's License (CDL). You do not need to initiate a new application for a CDL. However, you will need to pass the Doubles/Triples endorsement knowledge test and pay the required fees to add this endorsement to your existing CDL.
Yes, there are some limitations for drivers holding a CDL Doubles/Triples endorsement in Maryland. For instance, drivers are required to follow specific rules regarding the coupling and uncoupling of trailers, length and weight of the trailers, and speed limits. Moreover, any traffic violation or unsafe driving behavior can result in the suspension or revocation of the endorsement.
In Maryland, a CDL Doubles/Triples endorsement allows drivers to operate vehicles with a Gross Vehicle Weight Rating (GVWR) over 26,001 pounds. However, specific weight and length restrictions can vary based on federal and state regulations. Generally, the maximum length for each trailer is 28.5 feet, and the combined weight (including cargo) cannot exceed 80,000 pounds without a special permit.
Yes, there are specific safety guidelines for driving double/triple trailers with a CDL Doubles/Triples endorsement in Maryland. These include adhering to weight and length restrictions, proper coupling and uncoupling of trailers, maintaining a safe following distance, and understanding the high rollover risk. Additionally, drivers are required to regularly inspect their vehicles and secure all cargo according to regulations.
