Knowledge Test Class B #2
Class B Driving Test | Pennsylvania 2026 #2 Page 3 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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15 . The Individual Vehicle Distance Record (IVDR) must include all of the following, except:
The number of stops.
An Individual Vehicle Distance Record (IVDR) must include the following information about distance traveled: trip start and end dates; trip origin and destination points; route(s) of travel; beginning and ending odometer or hubometer readings; total distance traveled; in-jurisdiction distance; and power unit number or vehicle identification number.
16 . The height of a vehicle’s center of gravity:
Should only be a concern if there are lots of hills on the planned route.
The height of a vehicle's center of gravity is very important to a driver's ability to safely handle the vehicle. Always distribute the weight of cargo as low as possible.
17 . Roads are most slippery right after it begins to rain because:
Some tires are not designed for rain.
Roads are particularly slippery when it first begins to rain. The water mixes with oil drippings on the road that have not yet washed away, creating a slippery and dangerous mixture.
18 . If the brake pads rub against the brake drums and create too much heat:
The air compressor will kick on to cool the brakes.
Brakes heat up with use. If they are overused and become too hot, expansion and chemical changes will make them less effective and eventually cause them to stop working altogether. This is known as "brake fade."
19 . If twice convicted of refusing to take a blood alcohol test, a person can lose their license for:
Life.
Refusing to take a blood alcohol test when requested to do so by an officer will result in the loss of one's license for at least one year. A second conviction will result in the loss of a CDL for life.
20 . Loading cargo onto a vehicle:
Must be done by a professional loader.
Even if someone else loads cargo onto a vehicle, the driver is responsible for properly inspecting the cargo, ensuring that it is properly loaded and secured, and ensuring that it does not obscure their view or access to emergency equipment.
21 . How many air storage tanks are used in an air brake system?
The number varies.
Air storage tanks are used to hold compressed air. The number and size of air tanks in an air brake system varies among vehicles.
See the exact questions that will be on the 2026 Pennsylvania DMV exam.
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Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
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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.
