Knowledge Test Class B #2
Class B Driving Test | Pennsylvania 2026 #2 Page 4 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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22 . 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.
23 . 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.
24 . 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.
25 . If an Anti-Lock Braking System (ABS) malfunctions:
The brakes will not work.
On a vehicle with ABS, a yellow malfunction lamp on the instrument panel will illuminate to alert you if the braking system is not working.
26 . An Anti-Lock Braking System (ABS):
Helps to ensure control while braking.
ABS increases a driver's control during braking. It will not necessarily change the distance needed for a vehicle to come to a complete stop.
27 . 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.
28 . Which of the following is not an example of a distracted person that motorists should be worried about?
A person sitting on a bench waiting for a bus
Drivers who are holding conversations with others may not be paying full attention to the road and may make unsafe moves. Children do not always pay attention to traffic and may dart into the road without looking. Exercise caution when driving near road workers. This helps to keep the workers and other distracted drivers safe.
2026 Pennsylvania | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Pennsylvania, you must first have a Commercial Driver's License (CDL). Then, you'll need to pass the Doubles/Triples endorsement knowledge test. Study the CDL manual, particularly the section on Doubles/Triples. After passing, the endorsement will be added to your CDL. Remember, driving experience with these types of vehicles is recommended but not required.
To obtain a CDL Doubles/Triples license, you first need a Commercial Driver's License (CDL). Next, study the relevant sections of your state's CDL manual to prepare for the Doubles/Triples endorsement knowledge test. Once you pass this test, the endorsement will be added to your CDL. It's important to note that while experience driving these vehicles is beneficial, it's not required.
Specialized experience or training is not required for a CDL Doubles/Triples endorsement. However, it's beneficial to familiarize yourself with these types of vehicles. The key requirement is passing the Doubles/Triples endorsement knowledge test. Thoroughly studying the relevant sections of your state's CDL manual will help you prepare for this test. Once passed, the endorsement is added to your CDL.
Yes, an extra written test is mandatory to obtain a CDL Doubles/Triples endorsement in Pennsylvania. You will need to study the relevant sections of the Pennsylvania CDL manual and pass the Doubles/Triples endorsement knowledge test. Upon passing, the endorsement will be added to your existing Commercial Driver's License.
For the CDL Doubles/Triples endorsement in Pennsylvania, you do not need to showcase specific skills or maneuvers during a practical exam. Instead, you must pass a written knowledge test. This test primarily focuses on coupling and uncoupling, inspecting doubles and triples, and checking air brake systems. There is no practical skills test involved.
No, it's not permissible. In Pennsylvania, like all other states, you must have a valid CDL with a Doubles/Triples endorsement to legally operate double or triple trailers. Driving such vehicles without the appropriate endorsement can result in serious penalties, including fines, suspension of your CDL, or even jail time in some cases.
You can append the CDL Doubles/Triples endorsement to your current commercial driver's license. You do not need to initiate a new application for a separate license. However, you must pass the specific written knowledge test for this endorsement. Once passed, the Pennsylvania Department of Transportation will add the endorsement to your existing CDL.
Drivers holding a CDL Doubles/Triples endorsement in Pennsylvania must adhere to specific rules. For instance, they cannot exceed the maximum length of 100 feet for their vehicles. Additionally, they must be familiar with coupling and uncoupling procedures, as well as inspecting doubles and triples. Also, violation of traffic rules can lead to the suspension or revocation of the endorsement.
In Pennsylvania, the maximum legal weight for a vehicle is 80,000 pounds. The maximum length for a single trailer is 53 feet, while the combined length of a double/triple trailer cannot exceed 28 feet per trailer. However, these limits can vary depending on the type of road and specific local regulations. Always check with local authorities for exact restrictions.
Yes, in Pennsylvania, drivers with a CDL Doubles/Triples endorsement must follow specific safety guidelines. They should know how to couple and uncouple correctly, inspect doubles and triples, and handle emergency situations. They must also understand the dangers of "crack-the-whip" effects and prevent rollovers. Drivers should maintain safe following distances and adjust for added length and weight of the vehicle.