Knowledge Test Class A #1
Class A Driving Test | Pennsylvania 2025 #1 Page 3 of 7
Train for FREE online with our Pennsylvania 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 PA 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 . If operating a school bus, you are considered to be driving under the influence of alcohol if you have a minimum blood alcohol content (BAC) of:
0.1 percent.
A person operating a school bus is considered to be driving under the influence of alcohol if their blood alcohol concentration (BAC) is 0.02 percent or higher.
16 . If driving a school bus, your four-way flashers should:
Only be used near railroad tracks if a train is approaching.
When driving a school bus, you must activate your four-way flashers while approaching and crossing a railroad crossing. Deactivate the flashers once your entire vehicle has cleared the tracks.
17 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
18 . During the pre-trip vehicle inspection test:
The steering box should be checked for leaks.
During the external inspection portion of the pre-trip vehicle inspection test, you must verify that the steering box is securely mounted and not leaking.
19 . If a vehicle gets stuck on a railroad track, the driver should:
Wait in the vehicle for a law enforcement officer to arrive.
If your vehicle gets stuck on railroad tracks, immediately exit the vehicle and get away from the tracks. Check signs or signal housing at the crossing for emergency contact information. Call the emergency contact or call 911.
20 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
21 . A cargo cover that flaps in transit:
Can attract birds.
If cargo is covered, the cover should not flap in the wind in transit. The cover could tear loose, uncovering the cargo while potentially blocking your view or the view of others.
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2025 Pennsylvania | Frequently Asked Questions
A CDL Class B license in Pennsylvania allows the holder to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds GVWR. This includes buses, farm labor vehicles, dump trucks, delivery trucks, and utility vehicles.
With a Class B CDL license in Pennsylvania, you can operate single vehicles like buses, dump trucks, tow trucks, delivery trucks, and garbage trucks. These vehicles have a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or they may be towing another vehicle not exceeding 10,000 pounds GVWR.
In Pennsylvania, to acquire a Class B CDL license, you must be at least 18 years old (21 for interstate driving), hold a valid Pennsylvania driver's license, pass a vision test, and successfully complete a knowledge test. You'll also need a medical examiner's certificate, proving you're physically fit for the job. Lastly, you'll need to pass a road skills test in a Class B vehicle.
In Pennsylvania, you must be at least 18 years old to qualify for a Class B CDL license for intrastate driving (within state lines). However, to drive a commercial vehicle across state lines (interstate driving), you must be at least 21 years old.
While not always necessary, specific endorsements may be required for certain types of Class B CDL driving in Pennsylvania. These endorsements, such as passenger, school bus, or hazardous materials, require additional knowledge tests. Having these endorsements can broaden your job opportunities as a commercial driver.
The Class B CDL skills assessment in Pennsylvania includes three parts: a pre-trip inspection test, a basic vehicle control test, and an on-road driving test. The pre-trip inspection tests your knowledge about your vehicle and its safety. The basic vehicle control test assesses your ability to maneuver and control the vehicle. The on-road driving test evaluates your driving skills in various traffic situations.
Class B CDL license holders in Pennsylvania are limited to operating vehicles with a Gross Vehicle Weight Rating (GVWR) over 26,000 pounds or towing a vehicle not exceeding 10,000 pounds. They cannot operate Class A vehicles unless they have the appropriate endorsements. Additionally, interstate drivers must be at least 21 years old.
Yes, it is possible to take the written Class B CDL test in languages other than English in Pennsylvania. The Pennsylvania Department of Transportation provides the test in several languages. However, a basic understanding of English is required, as federal regulations mandate that all CDL holders understand English to a degree necessary to operate their vehicle safely.
Yes, you can request test accommodations for the Class B CDL written exam in Pennsylvania due to a disability. The Pennsylvania Department of Transportation provides accommodations under the Americans with Disabilities Act. These may include extended time, a separate testing room, or use of assistive technology. Contact PennDOT directly to discuss your specific needs.
If you don't pass the Class B CDL written test in Pennsylvania, you can retake it. However, you must wait at least 3 days before retesting. There is also a retest fee each time you take the test. It's recommended to study thoroughly and use the available practice tests to increase your chances of passing on your next attempt.
