Air Brakes #2
Air Brakes Endorsement Test | New Hampshire 2025 #2 Page 3 of 4
Train for FREE online with our New Hampshire 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 NH 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 . Some air brake systems use alcohol:
To reduce the risk of rust forming on air brake valves.
Some air brake systems contain an alcohol evaporator. This device introduces alcohol into the braking system to inhibit the formation of ice.
14 . If the safety relief valve in the air brake system releases air:
An air brake system has a safety relief valve, which releases air from the tanks if the pressure gets too high. If the valve must operate, something in the system is wrong and should be addressed by a mechanic.
15 . An air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately ____ to come to a complete stop.
450 feet
A vehicle's total stopping distance is made up of perception distance, reaction distance, brake lag distance, and braking distance. With all of these factors included, an air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately 450 feet to come to a complete stop.
16 . Pressing and releasing a brake pedal unnecessarily can:
Create a loud noise.
In an air brake system, pressing and releasing the brake pedal unnecessarily can release air from the braking system faster than the compressor can replace it.
17 . Do not use the parking brake when parking if:
There is water on the ground.
A parking brake should not be used if the vehicle's brakes are very hot from use on a steep downgrade or if the brakes are very wet and temperatures are freezing. Using the parking brake when brakes are hot could cause damage to the brakes, and using the brakes when they are wet in freezing weather may cause the brakes to ice up, rendering the vehicle immobile.
18 . When leaving your vehicle unattended:
Always apply the parking brake when leaving your vehicle unattended.
2025 New Hampshire | Frequently Asked Questions
In New Hampshire, to acquire a CDL Passenger endorsement, you must first have a commercial driver's license (CDL). Then, you need to pass the passenger endorsement knowledge test. After passing the test, you'll need to complete a skills test in the type of vehicle you wish to drive. The New Hampshire DMV provides the necessary testing and information.
To obtain a CDL Passenger license in New Hampshire, you must meet certain criteria. You must be at least 21 years old, hold a valid regular driver's license, pass a written knowledge test, obtain a medical certificate, pass a skills test in a passenger vehicle, and pay the required fees. Additionally, you must have a clean driving record and provide proof of legal presence in the United States.
While specific training isn't mandated by law in New Hampshire, it's highly recommended to undergo professional training before attempting the CDL Passenger endorsement test. Training can provide valuable experience and knowledge, increasing your chances of passing the test. However, you must have a valid CDL before you can apply for a passenger endorsement.
Yes, to get a Passenger endorsement on your CDL in New Hampshire, you must pass a written knowledge test specifically designed for this endorsement. The test covers topics like inspecting passenger vehicles, loading/unloading passengers, and emergency procedures. After passing the written test, you must complete a skills test in a passenger vehicle.
During the CDL Passenger endorsement assessment in New Hampshire, you'll need to showcase skills such as safe loading and unloading of passengers, handling emergency situations, proper use of bus controls and equipment, performing vehicle inspections, and understanding passenger safety regulations. Proficiency in maneuvers like backing, turning, and stopping is also essential.
No, you cannot legally transport passengers in New Hampshire without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving such a vehicle without the proper endorsement can result in heavy fines and penalties.
Yes, you can add the CDL Passenger endorsement to your existing CDL in New Hampshire. You don't need to apply for a new license, but you will need to pass the Passenger endorsement written knowledge test and skills test. After passing, the endorsement will be added to your current CDL.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in New Hampshire. These include maintaining a clean driving record, passing regular physical examinations, and adhering to federal hours-of-service regulations. Additionally, drivers are required to enforce passenger conduct rules and ensure safety regulations are met at all times.
Yes, in New Hampshire, to acquire a CDL passenger endorsement, you must be at least 21 years old. This is to comply with federal regulations, which state that drivers must be 21 to drive a commercial vehicle across state lines or carry hazardous materials. This age requirement applies even if you're driving within New Hampshire.
With a CDL Passenger endorsement in New Hampshire, you will be eligible to operate vehicles such as buses, shuttle vans, and other vehicles designed to carry 16 or more passengers, including the driver. This endorsement also allows you to drive vehicles used for transporting students to and from school or school-related activities.