Knowledge Test Class B #1
Class B Driving Test | Pennsylvania 2026 #1 Page 5 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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29 . You should always use at least ____ to secure cargo on a flatbed trailer.
Four tie-downs
When transporting cargo on a flatbed trailer, you should use at least one tie-down for every 10 feet of cargo. Any cargo, no matter how small, should be restrained by a minimum of two tie-downs.
30 . 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.
31 . When making a turn, when should you cancel your turn signal?
It does not matter.
When turning or changing lanes, you should signal early and signal continuously. Cancel your turn signal once the turn or lane change is complete.
32 . During a basic vehicle control skills test, you may be asked to:
Sound your horn.
Maneuvers that may be included in the basic vehicle control skills test include straight line backing, offset back/right parking, offset back/left parking, driver side parallel parking, conventional parallel parking, and alley docking.
33 . 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.
34 . 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.
35 . What is a Gross Vehicle Weight Rating?
The maximum amount that can be loaded onto a single trailer
Gross Vehicle Weight Rating (GVWR) is the weight specified by the manufacturer as the maximum weight of a single vehicle and its load.
2026 Pennsylvania | Frequently Asked Questions
To acquire a CDL Tank endorsement in Pennsylvania, you must first have a Commercial Driver's License (CDL). Then, study for the tank endorsement test using the Pennsylvania CDL handbook. Schedule and pass the test at a PennDOT Driver License Center. A passing score is 80% or higher. After passing, pay the required fee to add the endorsement to your CDL.
To obtain a CDL Tank license in Pennsylvania, you need to have a valid Commercial Driver’s License (CDL) first. Then, pass the Tank Vehicle (N) endorsement knowledge test that covers the specific knowledge required for safe operation of tank vehicles, including topics like handling high center of gravity and inspecting tank vehicles.
While Pennsylvania doesn't require specific training or experience for a CDL Tank endorsement, it's recommended to prepare for the knowledge test. This can be done through self-study or enrolling in a training program. Practical experience driving tank vehicles under supervision can also be beneficial. Remember, you must already hold a CDL to add this endorsement.
Yes, to obtain a CDL Tank endorsement in Pennsylvania, you must pass the Tank Vehicle (N) endorsement knowledge test. This written exam focuses on the specific knowledge needed for the safe operation of tank vehicles, including understanding the high center of gravity and how to inspect such vehicles.
The written test for the CDL Tank endorsement covers various subjects including inspecting tank vehicles, understanding the differences between baffled and unbaffled tanks, driving tank vehicles safely, and handling emergencies. It also includes understanding how liquid surge affects vehicle handling. The aim is to ensure drivers can safely handle large, often hazardous, liquid loads.
The CDL Tank endorsement does not typically involve a specific skills or maneuvers assessment. It primarily requires passing a written knowledge test. This test covers subjects like high center of gravity, safe operation, inspecting tank vehicles, and the effects of surge. However, overall CDL skills are assessed during the general CDL road test.
Yes, drivers with a CDL Tank endorsement must adhere to certain rules and regulations. For instance, they must follow all safety protocols for handling and transporting liquid materials. Also, if the tank is not baffled, the vehicle's movement can be affected due to liquid surge. Violation of these rules can lead to penalties or even loss of the CDL Tank endorsement.
No, it is illegal to transport liquid or gas materials in a tank vehicle without a valid CDL Tank endorsement in Pennsylvania. The endorsement ensures that the driver has the necessary knowledge and skills to handle such materials safely. Violating this rule can lead to serious penalties, including fines and loss of commercial driving privileges.
In Pennsylvania, you can add a CDL Tank endorsement to your current commercial driver's license. You do not need to apply for a new license. However, you will have to pass a knowledge test specific to tank vehicles and pay the required fees to add the endorsement to your existing CDL.
Yes, there are specific regulations and prerequisites in place for handling hazardous materials with a CDL Tank endorsement in Pennsylvania. These include passing a written test on hazardous materials, undergoing a background check, and completing a TSA threat assessment. Additionally, drivers must follow federal regulations regarding the transportation, labeling, and placarding of hazardous materials.