Air Brakes Endorsement Test | Colorado 2024 #2

Train for FREE online with our Colorado 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 CO 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.

Number of Question 25

Passing Score 20

Number of Tests 20

1 . During an applied leakage test, the maximum leakage rate for a double combination vehicle is:

10 psi in a minute.

8 psi in a minute.

6 psi in a minute.

4 psi in a minute.

It is important to know the maximum air loss rate that is safe for your specific vehicle. A double combination vehicle should have a leakage rate no higher than 4 psi in a minute during an applied leakage test.

2 . When the brake pedal is pushed down, air brakes work:

Immediately.

After a short delay.

After about a minute.

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.

3 . Test the low pressure warning signal:

Once a month.

Once a week.

Twice a week.

Before every trip.

It is essential that your low pressure warning light function properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.

4 . In cold weather, an alcohol evaporator should be checked and filled:

Once a week.

Every day.

Every hour.

Once a month.

An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day.

5 . What do anti-lock brakes do?

Help a driver avoid wheel lockup

Lock up the front wheels

Prevent a vehicle from accelerating while traveling uphill

Prevent a vehicle from accelerating while traveling downhill

The function of an Anti-Lock Braking System (ABS) is to prevent the vehicle's wheels from locking up from hard brake application.

6 . During an applied leakage test, the maximum leakage rate for a single vehicle with air brakes is:

3 psi in one minute.

6 psi in one minute.

8 psi in one minute.

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.

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2024 Colorado | Frequently Asked Questions

To acquire a CDL Tank endorsement in Colorado, you must first hold a valid Colorado CDL. Then, you need to pass the Tank Vehicles endorsement test which covers the proper handling and inspection of tank vehicles. The test is administered by the Colorado DMV. Studying the Colorado Commercial Driver's Handbook will help you prepare for the exam.

To obtain a CDL Tank license, you first need a Commercial Driver's License (CDL). Then, study the Tank Vehicles section of your state's CDL handbook. You must pass the Tank Vehicles endorsement written test at your local DMV. Upon passing, the endorsement is added to your CDL. Always check specific state requirements as they may vary.

While specific training is not mandatory for a CDL Tank endorsement in Colorado, it is highly recommended to thoroughly understand the handling of tank vehicles. Experience is not required either, but you must hold a valid Colorado CDL and pass the Tank Vehicles endorsement test conducted by the Colorado DMV.

Yes, to obtain a CDL Tank endorsement in Colorado, you must pass the Tank Vehicles endorsement test. This written exam covers the specific knowledge needed for driving tank vehicles, including handling and inspection. The test is administered by the Colorado DMV and studying the Colorado Commercial Driver's Handbook can help you prepare.

The written test for a CDL Tank endorsement in Colorado covers topics such as inspecting tank vehicles, safe driving for tank vehicles, and understanding the effects of liquid surge on vehicle handling. It also includes the importance of baffle usage in tanks, and knowledge about different types of tanks.

The CDL Tank endorsement assessment doesn't involve a specific driving test or maneuvers. However, it evaluates your knowledge on safely handling tank vehicles. This includes understanding the vehicle's high center of gravity, managing liquid surge, conducting proper inspections, handling emergencies, and understanding the differences between various tank types.

Drivers with a CDL Tank endorsement must comply with strict safety regulations due to the potentially hazardous materials they may transport. They must understand how to control surge, inspect their vehicle, and handle emergencies. Additionally, they may need a Hazardous Materials (HazMat) endorsement if transporting hazardous liquids. Violation of regulations can result in endorsement suspension or revocation.

No, a valid CDL Tank endorsement is required to legally transport liquid or gas materials in Colorado. This endorsement ensures drivers have the necessary skills and knowledge to handle such materials safely. Driving without the proper endorsement can result in serious penalties, including fines and suspension of your commercial driving license.

The CDL Tank endorsement can be added to your existing Commercial Driver’s License. However, you will need to pass a specific knowledge test related to tank vehicles. Once you pass the test, the endorsement will be added to your CDL, and no fresh application for a new license is necessary.

Yes, there are specific regulations in place. For handling hazardous materials with a CDL Tank endorsement, you also need a Hazardous Materials (HazMat) endorsement. This involves passing a written test and a TSA background check. Also, you must follow FMCSA regulations for the safe transport of hazardous materials to prevent accidents and spills.