Knowledge Test Class A #2
Class A Driving Test | California 2025 #2 Page 3 of 7
Train for FREE online with our California class A license 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 CA CDL class A permit 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 CDL class A requirements may vary from state to state.
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15 . How much distance will an air brake-equipped vehicle need to come to a complete stop if it is traveling at 55 mph under ideal driving conditions?
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 . Anti-Lock Braking Systems (ABS):
If equipped, ABS is in addition to a vehicle's normal braking system and does not increase or decrease the braking power of any other system. ABS only activates when a vehicle's wheels are about to lock.
17 . To avoid a hazard, you:
Stopping is not always the best way to avoid a hazard. If there is not enough space for you to stop to avoid coming into contact with the hazard, swerving out of the way may be your safest option.
18 . What do the two systems of a dual air brake system share?
Both systems in a dual air brake systems share a single air compressor. If the air compressor is damaged, neither system will be able to operate properly.
19 . You may be an aggressive driver if you:
Avoid being an aggressive driver by being realistic about your travel time, making allowance for delays, maintaining reasonable following distances, and not making hand gestures that could anger another driver.
20 . Slow down and be extra careful:
Slow down and be especially careful when driving in and around work zones, in places where the pavement drops off sharply at the edge of the road, when foreign objects are present on the road, and on freeway on- and off-ramps.
21 . When driving a 50-foot truck at 50 mph, your minimum following distance should be:
At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. When traveling at higher speeds, follow the same formula, then add one additional second to your following distance.
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2025 California | Frequently Asked Questions
To secure a Commercial Driver’s License (CDL) bus endorsement in California, you must first hold a valid CDL. Then, pass the passenger transport test. You'll also need to pass a Department of Transportation (DOT) physical exam, provide proof of a clean driving record, and successfully complete a bus driver training course. Lastly, pass the skills test in the type of bus you wish to drive.
To obtain a CDL Bus License in California, you need to have a regular driver's license, be at least 18 years old, and have a clean driving record. You must then pass the CDL General Knowledge test, the Passenger Transport test, and the School Bus Endorsement test. Additionally, you need to pass a Department of Transportation (DOT) physical exam and complete a driver training course.
Yes, specific training is necessary for a CDL Bus endorsement in California. You need to complete a professional bus driving course. This course will cover topics like vehicle inspection, on-road driving, and passenger safety. Also, you need to pass the Passenger Transport test and the School Bus Endowment test. On-the-job training may also be required by some employers.
CDL Bus licenses fall under three main classifications in California: Class A, B, and C. Class A is for combination vehicles like tractor-trailers. Class B is for single or combination vehicles like buses, dump trucks, or tow trucks. Class C is for vehicles designed to transport 16 or more passengers including the driver, or hazardous materials. The specific class depends on the vehicle's weight and design.
No, you cannot use your personal vehicle for the CDL Bus driving test. The vehicle you use must match the class of CDL license you are applying for. For example, if you're applying for a bus endorsement, you must test in a bus. The vehicle should be fully operational and meet all California Department of Motor Vehicles requirements.
During the CDL Bus driving test, your ability to safely operate the vehicle and your knowledge about its specific features will be evaluated. Key skills tested include vehicle inspection, backing up, parallel parking, city and highway driving, stopping at railroad crossings, loading and unloading passengers, emergency exit procedures, and responding to brake system failures.
Yes, additional medical prerequisites are essential for a CDL Bus endorsement in California. Applicants must pass a Department of Transportation (DOT) physical examination every two years. This exam evaluates vision, hearing, blood pressure, and checks for conditions like diabetes and epilepsy. It ensures that the applicant is physically capable to safely operate a commercial vehicle.
No, it is not permissible to transport passengers without a valid CDL Bus endorsement. In California, driving a bus or any passenger vehicle without the proper endorsement is illegal and can result in significant fines, suspension of your license, and potentially jail time. It's crucial to obtain the appropriate licensing to ensure safety and compliance with the law.
Yes, a CDL Bus endorsement can be added to your existing CDL license in California. You don't need a new application for the license itself, but you will need to complete the necessary written and skills tests related to passenger transportation, and meet any additional requirements such as a physical exam.
Yes, there are restrictions. Drivers with a CDL Bus endorsement in California must comply with hours-of-service regulations, which limit the number of hours they can drive without rest. They also need to pass regular physical exams and maintain a clean driving record. Additionally, certain medical conditions or medications may disqualify a driver from holding this endorsement.
