Knowledge Test Class B #1
Class B Driving Test | Pennsylvania 2026 #1 Page 7 of 7
Train for FREE online with our Pennsylvania class B 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 B permit in 2026, 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 B requirements may vary from state to state.
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43 . Which of the following is most likely to result in hydroplaning?
Traveling at speeds under 10 mph
Hydroplaning is most likely to occur on wet roads if tire pressure is low or if tire tread is worn. If there is enough water on the road, hydroplaning can occur at speeds as low as 30 mph.
44 . Which factor does not have an impact on a person’s blood alcohol concentration (BAC)?
The temperature of the drinks
The three main factors that determine a person's blood alcohol concentration (BAC) are the amount of alcohol consumed, how quickly the alcohol is consumed, and the person's weight.
45 . When checking its automatic transmission fluid, the vehicle:
Should be lifted with a jack.
Your vehicle's engine may need to be running in order for you to check the level of its automatic transmission fluid.
46 . In the basic vehicle control portion of the skills test, the applicant will:
Be asked to take a written test.
During the basic vehicle control skills test, you will tested on your ability to operate your vehicle through certain maneuvers. You will be asked to move your vehicle forward, operate your vehicle backward, and turn your vehicle within a defined area.
47 . To correct a drive-wheel braking skid, a driver should do all of the following, except:
Accelerate.
To correct a drive-wheel braking skid, you should first remove your foot from the brake pedal to allow the locked wheels to begin rolling again. Quickly steer in the direction you want to go, then countersteer to prevent your vehicle from skidding in the opposite direction.
48 . How is the parking brake released?
By tapping the accelerator twice
In vehicles with air brakes, the parking brake is controlled by a knob. The knob is pulled out to apply the brakes, and pushed in to release them.
49 . If a driver holds a CDL and moves to another state:
The must get a new license.
If you are a new Pennsylvania resident and wish to obtain a CDL, you must surrender your out-of-state license. Pennsylvania law may prohibit issuing licenses to out-of-state addresses. If you surrender an out-of-state CDL, you must undergo a vision screening test. You must undergo additional testing if you want to be licensed to transport hazardous materials or operate a school bus.
50 . In a dual air brake system, a leak in one system:
Will also affect the other system.
A dual air brake system is made up of two separate air brake systems. If there is an air leak in one system, it may not affect the other.
See the exact questions that will be on the 2026 Pennsylvania DMV exam.
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2026 Pennsylvania | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Pennsylvania, you must first have a Commercial Driver's License (CDL). Next, you will need to pass a written passenger endorsement test and a skills test in the type of vehicle you will be driving. The Pennsylvania Department of Transportation (PennDOT) regulates this process.
To obtain a CDL Passenger license in Pennsylvania, you must be at least 21 years old, possess a valid Pennsylvania driver's license, pass a DOT physical examination, and complete a CDL training course. Afterward, you must pass the written knowledge test and the skills test which includes pre-trip vehicle inspection, basic vehicle control, and on-road driving.
Yes, specific training and experience are required to obtain a CDL Passenger endorsement in Pennsylvania. You must first hold a valid CDL and pass a written knowledge test for the Passenger endorsement. Additionally, you will need to complete a skills test that includes a pre-trip inspection, basic vehicle control, and an on-road driving test in a passenger vehicle.
Yes, to secure a CDL Passenger endorsement in Pennsylvania, you must pass a written passenger endorsement test. This test covers topics such as vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks. This is in addition to the standard CDL exams.
During the CDL Passenger endorsement assessment in Pennsylvania, you'll need to demonstrate your ability to conduct pre-trip vehicle inspections, manage safe loading and unloading of passengers, use brake-door interlocks correctly, execute safe driving practices on the road, and perform after-trip vehicle inspections. The skills test includes vehicle control and on-road driving.
No, you cannot legally transport passengers in Pennsylvania without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving without the proper endorsement can lead to heavy fines and potential loss of your CDL.
To add a CDL Passenger endorsement to your existing license in Pennsylvania, you will need to complete a new application and pay the necessary fees. You cannot simply add the endorsement to your current license without going through the application process. This ensures that you meet all the requirements and have the necessary qualifications for operating passenger vehicles.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in Pennsylvania. For instance, drivers must not have a record of serious traffic violations or criminal offenses. They must also pass a physical examination every two years, and must not consume alcohol or use controlled substances while on duty. Violations can lead to suspension, revocation, or disqualification of the CDL.
Yes, in Pennsylvania, to obtain a CDL Passenger endorsement, you must be at least 21 years old. This age requirement is due to federal regulations which stipulate that all commercial drivers operating a commercial vehicle across state lines must be at least 21. There's no upper age limit as long as you can pass the necessary physical examinations.
With a CDL Passenger endorsement in Pennsylvania, you will be eligible to operate vehicles such as buses, shuttles, and any other vehicles designed to carry 16 or more passengers, including the driver. This endorsement is necessary for jobs like school or city bus driving, and for commercial transport like shuttle services.
