Knowledge Test Class A #2
Class A Driving Test | Pennsylvania 2026 #2 Page 7 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 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 A requirements may vary from state to state.
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43 . During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.
One tenth
Before beginning a trip, it is important to check the brake drums during your walk-around inspection. It is unsafe to drive if any brake drum has a crack more than one half of the width of the friction area.
44 . During the basic vehicle control skills test:
Excessive pull-ups are acceptable in the opinions of some test administrators.
During the basic vehicle control skills test, a pull-up will be scored any time an applicant stops and pulls forward to gain a better position. Stopping without changing direction will not. An excessive number of pull-ups will count as errors.
45 . 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.
46 . If an Anti-Lock Braking System (ABS) is equipped on a trailer but not on a tractor:
The tractor and trailer can still be used together.
A vehicle being equipped with anti-lock brakes on only the tractor or only the trailer provides additional control during braking.
47 . When inspecting engine compartment belts during the vehicle inspection test:
The applicant must identify which items are not belt-driven, if any.
When checking the engine compartment during the vehicle inspection test, you must check the power steering, water pump, alternator, and air compressor belts. In addition to cracks and frays, you should check the belts for snugness, allowing up to three-quarters of an inch of play at the center of each belt. If any of these items are not belt-driven, you must identify them and ensure that their components are operating properly, are not damaged or leaking, and are mounted securely.
48 . If a tire fails, the driver should:
Accelerate.
If a tire fails, braking could cause a loss of control. Unless braking is necessary to avoid a hazard, you should stay off the brakes until your vehicle has slowed considerably. Only then should you brake very gently, pull off the road, and stop.
49 . 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.
50 . When the brake pedal is pushed down, air brakes work:
Only if it is warm outside.
Because air takes time to flow through the air lines to the brakes, air brakes cannot begin working instantly. There is often a brake lag of at least one-half of a second between the moment the brake pedal is pressed and the moment the brakes begin to work.
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.