Air Brakes #2
Air Brakes Endorsement Test | Iowa 2024 #2 Page 2 of 4
Train for FREE online with our Iowa 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 IA 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.
25
20
20
7 . While operating on a downgrade, you should brake until you reach a speed that is:
While driving downhill, you should hold down the brake pedal until your vehicle reaches a speed 5 mph below your safe speed, then release the brake pedal. Repeat this process.
8 . What do air brakes use to make the brakes work?
Many large CMVs are equipped with air brakes. An air braking system uses compressed air to operate.
9 . 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.
10 . What kind of brakes do most newer heavy-duty trucks use?
Most newer heavy-duty vehicles use dual air brake systems. A dual air brake system has two separate air brake systems which use a single set of brake controls.
11 . 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.
12 . 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.
2024 Iowa | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Iowa, you must already possess a valid Commercial Driver's License (CDL). Then, you'll need to pass the Passenger Vehicles endorsement written test. Study the Iowa CDL Manual's section on passenger vehicles. After passing the test, pay the required fee to add the endorsement to your CDL.
To obtain a CDL Passenger license in Iowa, you must be at least 21 years old, hold a valid CDL, and pass a Passenger Vehicles endorsement written test. You must also have a clean driving record, pass a physical exam every two years, and complete an application with the Iowa Department of Transportation. Additionally, you'll need to pass a background check if transporting children.
While specific training isn't required by law in Iowa to secure a CDL Passenger endorsement, gaining practical experience is beneficial. Many choose to attend a professional truck driving school. You must, however, pass the Passenger Vehicles endorsement written test, which covers topics like inspecting passenger vehicles, loading, and on-the-road safety. Studying the Iowa CDL Manual's passenger vehicles section helps in preparation.
Yes, in addition to holding a valid Commercial Driver's License (CDL), securing a CDL Passenger endorsement in Iowa requires passing the Passenger Vehicles endorsement written test. This test covers topics such as inspecting passenger vehicles, loading, trip start and end procedures, and on-the-road safety. No additional driving tests are required unless upgrading the class of your CDL.
The CDL Passenger endorsement assessment in Iowa primarily involves a written test, not a driving test. The written test covers topics like inspecting passenger vehicles, loading and unloading passengers, safe operation, and emergency procedures. However, if you're upgrading your CDL class, a skills test involving vehicle inspection, basic controls, and on-road driving may be required.
No, you cannot legally transport passengers in Iowa without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive any vehicle designed to transport 16 or more passengers, including the driver. Driving without the necessary endorsement can lead to serious penalties, including fines and potential loss of your commercial driving privileges.
Yes, you can add a CDL Passenger endorsement to your existing Commercial Driver's License in Iowa. You don't need to apply for a new license. However, you must pass the Passenger Vehicles endorsement written test. Once you pass the test, the endorsement will be added to your current CDL.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in Iowa. These include strict adherence to safety regulations, such as not overloading the vehicle beyond its capacity, ensuring all passengers wear seat belts, and following specific rules for transporting school-aged children. Additionally, drivers with this endorsement cannot have a blood alcohol concentration of 0.04% or higher while operating a commercial vehicle.
Yes, there are age-related prerequisites for obtaining a CDL Passenger endorsement in Iowa. The minimum age to apply for a commercial driver's license (CDL) in Iowa is 18. However, to drive a commercial vehicle across state lines or to carry hazardous materials, you must be at least 21 years old. Always check with the Iowa Department of Transportation for the most current rules and regulations.
With a CDL Passenger endorsement in Iowa, you'll be eligible to operate vehicles such as buses, shuttles, and vans designed to carry 16 or more passengers, including the driver. This includes school buses, city buses, and commercial buses. However, for school buses, an additional School Bus (S) endorsement is required.