Knowledge Test Class B #1
Class B Driving Test | Pennsylvania 2025 #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 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 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 2025 Pennsylvania DMV exam.
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2025 Pennsylvania | Frequently Asked Questions
In Pennsylvania, to secure a CDL Bus endorsement, you must first have a Commercial Driver's License (CDL). You then need to pass a Passenger Endorsement Knowledge Test and a School Bus Endorsement Knowledge Test. After passing these, you'll need to complete a School Bus Skills Test which includes a pre-trip inspection, basic controls, and an on-road driving test.
To obtain a CDL Bus license in Pennsylvania, you must first hold a valid Pennsylvania driver's license. Next, apply for a Commercial Learner's Permit (CLP) and pass the CDL general knowledge test. After 14 days, take and pass the Passenger Endorsement and School Bus Endorsement knowledge tests. Finally, pass a School Bus Skills Test, which includes on-road driving.
Yes, specific training is necessary for a CDL Bus endorsement in Pennsylvania. You must pass the Passenger Transport Test and the Skills Test in a bus-like vehicle. Although not required by law, many employers prefer drivers with professional driving experience or training from a vocational school or community college.
In Pennsylvania, CDL Bus licenses fall under three main classifications: Class A, B, and C. Class A CDL is for vehicles with a combined weight over 26,001 pounds where the vehicle being towed is over 10,000 pounds. Class B CDL is for single vehicles over 26,001 pounds or towing a vehicle not over 10,000 pounds. Class C CDL covers vehicles designed to transport 16 or more passengers.
No, you cannot use your personal vehicle for the CDL Bus driving test in Pennsylvania. The vehicle you use for the test must match the class and type of vehicle you plan to drive with your CDL. Therefore, you should use a bus for your CDL Bus driving test, ensuring it meets all safety standards and regulations.
During the CDL Bus driving test in Pennsylvania, the examiner assesses your ability to perform various maneuvers and skills. These include pre-trip vehicle inspection, basic vehicle control (including backing up, turning, and parking), and on-road driving. On-road driving tests your ability to handle intersections, railway crossings, curves, and more. You'll also be evaluated on proper passenger safety procedures.
Yes, in Pennsylvania, to obtain a CDL Bus endorsement, you must pass a Department of Transportation (DOT) physical examination. This ensures you're physically capable of operating a commercial vehicle safely. The exam assesses various health aspects including vision, hearing, blood pressure, and checks for conditions like diabetes or heart disease that could affect your ability to drive.
No, it is illegal to transport passengers in Pennsylvania without a valid CDL Bus endorsement. This endorsement is necessary for any driver operating a vehicle designed to carry 16 or more passengers, including the driver. Driving without the proper license or endorsement can result in hefty fines, penalties, and even jail time.
Yes, a CDL Bus endorsement can be added to your existing CDL license in Pennsylvania. You don't need to apply for a new license. However, you must pass the necessary written and skills tests related to passenger vehicle operation. Once you pass, the bus endorsement will be added to your existing CDL license.
Yes, there are limitations for drivers with a CDL Bus endorsement in Pennsylvania. Drivers must not have more than two moving violations in a commercial vehicle in the past two years. They also cannot have any conviction for a disqualifying offense while operating a commercial vehicle, such as DUI, hit-and-run, or felony involving a vehicle.
