Air Brakes #1
Air Brakes Endorsement Test | Pennsylvania 2024 #1 Page 3 of 4
Train for FREE online with our Pennsylvania 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 PA 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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13 . The ____ tells a driver how much pressure is in the air tanks.
Drum brake
A vehicle that is equipped with air brakes must also be equipped with a supply pressure gauge. This gauge tells the driver how much air pressure is in each of the vehicle's air tanks.
14 . When the brake pedal is pushed down, air brakes work:
Only if it is warm outside.
Because air takes time to flow through the air lines to the brakes, air brakes cannot begin working instantly. There is often a brake lag of at least one-half of a second between the moment the brake pedal is pressed and the moment the brakes begin to work.
15 . Service brakes should:
Before driving, you should always verify that your service brakes are in good working order. Testing the brakes before a trip allows you to locate any problems before you need to brake while on the road.
16 . Before starting down a hill, be sure to:
Switch into a low 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.
17 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
18 . How is the parking brake released?
By tapping the accelerator twice
In newer vehicles with air brakes, the parking brakes are controlled by a diamond-shaped yellow knob. Pull the knob out to activate the parking brakes and push it in to release them.
2024 Pennsylvania | Frequently Asked Questions
In Pennsylvania, 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 pounds or more, provided the vehicle(s) being towed have a GVWR of more than 10,000 pounds. This includes tractor-trailers and truck and trailer combinations.
A Class A CDL license in Pennsylvania allows the holder to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. This license is required for any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more if the towed vehicle is over 10,000 pounds.
To obtain a Class A CDL in Pennsylvania, you must be at least 18 years old (21 for interstate driving), possess a valid Pennsylvania driver's license, and pass a vision test. You'll also need to pass a general knowledge test and a skills test, which includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving exam.
In Pennsylvania, you must be at least 18 years old to qualify for a Class A CDL license. However, you must be 21 years old or older if you plan to drive across state lines or carry hazardous materials. Please remember that additional requirements, like passing a medical examination and specific tests, also apply.
Endorsements are not required for a Class A CDL license, but they can enhance your driving privileges. Examples include H (Hazardous materials), T (Double/Triple trailers), P (Passenger vehicles), S (School buses), and N (Tank vehicles). Each endorsement requires passing a separate written knowledge test and, in some cases, a skills test.
The Class A CDL skills test in Pennsylvania is divided into three parts: a pre-trip vehicle inspection to check your understanding of your vehicle and its safety, a basic controls test to assess your ability to control the vehicle, and an on-road driving exam to evaluate your practical driving skills in various traffic situations.
Yes, Class A CDL license holders may face limitations based on their driving and medical record. For instance, restrictions can be imposed for lack of English language proficiency, inability to operate a manual transmission, or if the driver requires corrective lenses. Additionally, drivers must pass a physical exam every two years to maintain their license.
Yes, in Pennsylvania, the written Class A CDL test is offered in multiple languages besides English. However, federal regulations require that all CDL holders must be able 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, accommodations can be made for the Class A CDL written test if you have a disability. You need to contact the Pennsylvania Department of Transportation (PennDOT) ahead of time to discuss your needs. Accommodations may include extended time, a separate testing room, or having the test read aloud. It's important to provide sufficient documentation of your disability.
Yes, if you don't pass the Class A CDL written test in Pennsylvania, you can retake it. However, you must wait at least seven days before retaking the test. It's important to review the areas you struggled with before attempting the test again. Keep in mind that additional fees may apply for each retest.