Air Brakes #2
Air Brakes Endorsement Test | Indiana 2025 #2 Page 2 of 4
Train for FREE online with our Indiana 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 IN Class A/Class B driver license 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 the requirements for CDL may vary from state to state.
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7 . Which type of brakes do most heavy-duty vehicles have?
Gravity brakes
For safety, most heavy-duty vehicles are equipped with dual air brake systems.
8 . During an applied leakage test, the maximum leakage rate for a single vehicle with air brakes is:
4 psi in one minute.
It is important to know the maximum air loss rate that is safe for your specific vehicle. A single vehicle with air brakes should have a leakage rate no higher than 3 psi in a minute during an applied leakage test.
9 . 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 55 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
10 . If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what condition should the belt be?
Bumpy
When inspecting a vehicle with air brakes that has a belt-driven air compressor, you should check the condition and tightness of the belt. It should be in good condition.
11 . When a brake pedal is pressed and the S-cam is turned, the S-cam:
Releases air from the air tanks.
When a brake pedal is pressed and the S-cam is turned, the S-cam presses the brake shoes against the inside of the brake drum. This causes friction and will cause the vehicle to slow.
12 . What happens if brakes become too hot?
The air compressor will kick in to cool the brakes
If brakes are overused, they may overheat and stop working. This is referred to as brake fade.
See the exact questions that will be on the 2025 Indiana DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2025 Indiana | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Indiana, you must first have a Commercial Driver's License (CDL). Then, you need to pass the Passenger Transport Test at a Bureau of Motor Vehicles (BMV) branch. The test covers topics like vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks.
To obtain a CDL Passenger license in Indiana, you must be at least 21 years old, have a valid regular driver's license, pass a vision test, and complete a medical examination. You must also pass a written knowledge test on operating a passenger vehicle and successfully complete the skills test in the type of vehicle you will be driving.
While Indiana doesn't specifically require training for a CDL Passenger endorsement, it's beneficial to have practical experience and knowledge about operating a commercial vehicle. Training can help prepare you for the written knowledge test and the skills test. Experience driving similar vehicles can also be advantageous. Remember, you'll need to pass both tests at a BMV branch.
Yes, in addition to the general CDL test, you must pass the Passenger Transport written test to receive a CDL Passenger endorsement in Indiana. This test covers specific rules and safety regulations related to transporting passengers. If you plan to drive a school bus, you may also need to pass a School Bus endorsement test.
During the CDL Passenger endorsement skills test in Indiana, you'll need to demonstrate your ability to inspect your vehicle, check safety equipment, and ensure passenger comfort. You'll also need to show your skills in managing space around the vehicle, stopping and starting, turning, merging into traffic, and backing up safely. Measures for emergency situations will also be assessed.
No, you cannot legally transport passengers in Indiana without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to operate a vehicle designed to carry 16 or more passengers, including the driver. Driving without the proper licensing can result in serious penalties, including fines and potential suspension of your driving privileges.
Yes, you can add the CDL Passenger endorsement to your existing Commercial Driver's License (CDL). You don't need a new license application. However, you must pass the Passenger Transport written test and, if applicable, the skills test. Once you pass, the endorsement will be added to your current CDL.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in Indiana. These include not being able to operate a vehicle if their blood alcohol concentration is 0.04% or higher, not having any trace of a controlled substance in their system, and not committing any traffic violations while operating a commercial vehicle. Violating these can result in disqualification or suspension of the endorsement.
Yes, in Indiana, you must be at least 18 years old to get a CDL for intrastate driving (within state lines) and at least 21 years old for interstate driving (across state or national borders). These age requirements also apply to obtaining a CDL Passenger endorsement. You must also meet all other general CDL requirements.
With a CDL Passenger endorsement, you are eligible to operate vehicles such as buses, shuttles, and vans that are designed to carry 16 or more passengers, including the driver. This endorsement also allows you to drive smaller vehicles that carry fewer passengers. However, remember that specific vehicle types might require additional endorsements, like a School Bus endorsement for school buses.
