Air Brakes #2
Air Brakes Endorsement Test | Idaho 2025 #2 Page 3 of 4
Train for FREE online with our Idaho 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 ID 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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13 . In a dual air brake system, if one air system is very low on pressure:
In a dual air brake system, either the front or rear brakes will not be fully operable if one of the air systems gets too low on pressure. If the air pressure in either tank gets too low while you are driving, you should exit the road and park as soon as possible.
14 . Brakes out of adjustment will:
Brakes out of adjustment will fade before those that are properly adjusted. Brake adjustment must be checked frequently to help prevent brake issues.
15 . An alcohol evaporator is especially important:
Some air brake systems contain an alcohol evaporator. This evaporator introduces alcohol into the system to help prevent ice from forming in cold weather.
16 . Manual air tank drains should be:
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.
17 . 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.
18 . The leakage rate for a triple combination vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
When performing a static leakage test on a triple combination vehicle with air brakes, the leakage rate should be no more than 5 psi in one minute. If the air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
2025 Idaho | Frequently Asked Questions
In Idaho, to acquire a Commercial Driver's License (CDL) Passenger endorsement, you must already possess a valid CDL. You will need to pass the Passenger Transport Test at your local DMV, which includes both a written knowledge test and a skills test. Additionally, you need to pay the required fees and meet all medical and age requirements.
To obtain a CDL Passenger license in Idaho, you must be at least 21 years old and have a valid regular CDL. You also need to pass a written knowledge test and a skills test, which includes pre-trip vehicle inspection, basic vehicle control, and on-road driving. Additionally, you must meet medical requirements and pay the necessary fees.
While Idaho doesn't require specific training to secure a CDL Passenger endorsement, it's highly recommended. Training can provide the necessary skills and knowledge to pass the written and skills tests. Experience isn't required, but you must already have a valid CDL. Remember, you must be at least 21 years old and meet all medical requirements.
Yes, to obtain a CDL Passenger endorsement in Idaho, you must pass a written knowledge test specifically for passenger vehicles. This 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. It's an additional requirement to the standard CDL tests.
For the Idaho CDL Passenger endorsement skills test, you'll need to demonstrate pre-trip vehicle inspection, safe loading/unloading of passengers, proper use of emergency exits, and safe operation of the vehicle. You'll also be evaluated on your ability to handle railroad-highway crossings and stop/start procedures. It may also include a driving test on public roads.
No, you cannot legally transport passengers in Idaho 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 correct endorsement can result in fines, license suspension, or even jail time.
Yes, you can add the CDL Passenger endorsement to your existing CDL. You don't need a new application for the entire license. However, you will have to pass the passenger vehicle written test and pay the required fees. The endorsement is added to your existing CDL upon successful completion of the test.
Yes, there are certain restrictions for drivers with a CDL Passenger endorsement. For example, they must not exceed the vehicle's designated passenger capacity. They also need to ensure the safety of all passengers, which includes following specific rules about loading/unloading passengers, use of safety equipment, and emergency exit procedures. Violating these rules can lead to penalties.
Yes, to acquire the CDL Passenger endorsement in Idaho, you must be at least 21 years old. This age requirement is in place to ensure that drivers have sufficient experience and maturity to handle the responsibilities associated with transporting passengers. This rule applies nationwide, not just in Idaho.
With a CDL Passenger endorsement, you'll be eligible to operate vehicles such as school buses, city buses, tour buses, and commercial shuttle buses. Essentially, this endorsement allows you to operate any vehicle designed to transport 16 or more passengers, including the driver. However, for school buses, an additional School Bus endorsement is required.