Air Brakes #2
Air Brakes Endorsement Test | Rhode Island 2025 #2 Page 3 of 4
Train for FREE online with our Rhode Island 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 RI 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 . The parking brake in a newer vehicle is applied by:
In newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The driver should pull the knob outward to apply the parking brakes and push the knob inward to release them.
14 . 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.
15 . What kind of force do emergency brakes use?
Air brakes are really three different braking systems: the service brake, the parking brake, and the emergency brake. Emergency and parking brakes are applied with mechanical force.
16 . A safety valve is set to open at ____ pounds per square inch (psi).
The safety valve protects air tanks and the rest of an air brake system from accumulating too much air pressure. The safety valve is usually set to open at 150 psi.
17 . Brakes can get out of adjustment quickly, especially:
Brakes are particularly prone to getting out of adjustment if they are hot. Be sure to routinely check the adjustment of your brakes. For a vehicle to be safely controlled, all brakes must be properly functioning and adjusted.
18 . While driving, ____ generally holds spring brakes in place.
While driving, spring brakes are generally held in place by air pressure. If the air pressure gets low enough, the springs will activate the brakes.
2025 Rhode Island | Frequently Asked Questions
To obtain a CDL Hazmat endorsement in Rhode Island, you must hold a valid Commercial Driver's License (CDL). Next, pass the Hazardous Materials Knowledge Test at a DMV branch. After passing, apply for a Transportation Security Administration (TSA) background check. Once cleared, you can add the Hazmat endorsement to your CDL at the DMV.
To obtain a CDL Hazmat license, you must first have a valid Commercial Driver's License (CDL). You'll then need to pass the Hazardous Materials Knowledge Test, undergo a Transportation Security Administration (TSA) background check, and meet specific health and safety requirements. Finally, you must be at least 21 years old and possess a good driving record.
When applying for a CDL Hazmat endorsement, you need to provide proof of U.S. citizenship or lawful permanent residency (like a passport or birth certificate), your current CDL, proof of state residency, and your Social Security Number. Also, you must have a Medical Examiner's Certificate that proves you're physically fit to drive a commercial vehicle.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test assesses your knowledge on transporting hazardous materials safely. It includes questions on loading and unloading, bulk packaging marking, driving and parking rules, and emergency response procedures. You must pass this test to obtain the Hazmat endorsement.
The written test for the CDL Hazmat endorsement covers various topics related to hazardous materials, including identifying different types of hazardous materials, understanding shipping papers and placards, handling emergencies, safe loading and unloading procedures, and understanding the effects of hazardous materials on people and the environment.
Yes, there are extra charges for acquiring a CDL Hazmat endorsement. These include fees for the knowledge test, endorsement application, and fingerprinting for the Transportation Security Administration (TSA) background check. Fees can vary, so it's advisable to check with the Rhode Island DMV for the most accurate information.
Yes, a background check is mandatory to obtain a CDL Hazmat endorsement. The Transportation Security Administration (TSA) conducts this background check. It includes fingerprinting and an assessment of your criminal, immigration, and mental health history. This is to ensure the safety and security of hazardous materials transportation.
Yes, specialized training is mandatory for a CDL Hazmat endorsement. Applicants must pass a written test on the handling and transportation of hazardous materials. Also, a Transportation Security Administration (TSA) background check is required. Once these are successfully completed, the endorsement will be added to the driver's Commercial Driver's License (CDL).
No, it's illegal to transport hazardous materials without a valid CDL Hazmat endorsement in Rhode Island. This endorsement ensures that drivers have received the necessary training to handle hazardous materials safely. Driving without a valid endorsement may result in fines, penalties, and potentially even jail time.
You can add the CDL Hazmat endorsement to your existing CDL. You don't need to apply for a new CDL. However, you must pass a written test on hazardous materials and undergo a TSA background check. Once you successfully complete these steps, the Hazmat endorsement will be added to your existing CDL.