Knowledge Test Class B #2
Class B Driving Test | Idaho 2026 #2 Page 3 of 7
Train for FREE online with our Idaho 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 ID 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 . When driving down a steep hill, your primary source of braking should be:
On a steep downgrade, you must use the engine's braking effect as your primary method of speed control. Be sure to decelerate and downshift appropriately before beginning to drive down the hill. Relying too heavily on the brakes may cause them to overheat and fade, becoming less effective.
16 . When checking your mirrors:
Regularly check mirrors on both sides of your vehicle while driving. It is important to be aware of what is happening behind and to the sides of your vehicle.
17 . After starting the engine as part of a pre-trip inspection, the driver should:
Check your engine during the pre-trip inspection. After starting the engine, you should listen for unusual noises.
18 . Interstate carriers must have what information affixed to the commercial motor vehicles in their fleet?
Federal Motor Carrier Safety Regulations (FMCSR) require carriers to affix the legal name or single trade name to each CMV in their fleet.
19 . During the driving test, the examiner will be scoring you on:
During the on-road driving test, the examiner will be score you on specific driving maneuvers as well as on your general driving behavior. You must drive in a safe and responsible manner; obey all traffic signs, signals, and laws; and not cause an accident or commit a moving violation.
20 . For a basic vehicle control skills test, you are expected to be able to:
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.
21 . If convicted of any traffic violations, excluding parking violations, you must:
If you are convicted of any kind of traffic violation, in any type of vehicle, you must notify your employer within 30 days. You must also inform your motor vehicle licensing agency of the violation within 30 days if the conviction happened in another jurisdiction. This rule does not apply to parking infractions.
2026 Idaho | Frequently Asked Questions
To acquire a CDL Tank endorsement in Idaho, you must have a valid Idaho CDL. You'll need to pass the Tank Vehicle written test administered by the Idaho Transportation Department. Study the CDL manual's section on tank vehicles. After passing the test, pay the required endorsement fee to add it to your CDL.
To obtain a CDL Tank license, it's essential to have a valid Commercial Driver's License (CDL). You must pass the Tank Vehicle written test, which covers the specific knowledge needed to operate tank vehicles safely. Studying the tank vehicle section in the CDL manual is crucial for passing this test. Lastly, pay the endorsement fee.
While specific training or experience isn't legally mandatory for a CDL Tank endorsement in Idaho, it's highly recommended. Understanding how to handle large, liquid-filled tanks is crucial for safety. Studying the tank vehicle section of the CDL manual and practical experience driving tank vehicles can significantly increase your chances of passing the Tank Vehicle written test.
Yes, obtaining a CDL Tank endorsement in Idaho requires passing an additional written test. This test focuses on the knowledge necessary to safely operate tank vehicles. It covers topics like high center of gravity, surge, bulkheads, baffles, and safe driving rules. The information for this test is found in the tank vehicles section of the Idaho CDL manual.
The written test for a CDL Tank endorsement covers a range of topics related to tank vehicles. These include inspecting tank vehicles, driving tank vehicles, and understanding the unique handling characteristics of tankers. It also covers safety rules, such as managing the vehicle's center of gravity and dealing with surge.
The CDL Tank endorsement written test in Idaho doesn't assess specific driving skills or maneuvers. It is a knowledge-based test focusing on understanding specific rules and safety measures for tank vehicles. Topics include the vehicle's high center of gravity, handling surge, understanding bulkheads and baffles, and adhering to safe driving rules. Practical skills are assessed separately in the general CDL driving test.
Yes, drivers with a CDL Tank endorsement face certain limitations. They can only operate commercial vehicles designed to transport liquids or gaseous materials within a tank that is permanently or temporarily attached to the vehicle. They are also required to comply with specific safety standards and procedures, such as handling hazardous materials and managing high center of gravity and surge.
No, you cannot legally transport liquid or gas materials in a commercial vehicle without a valid CDL Tank endorsement in Idaho. This endorsement is specifically designed to ensure that drivers have the necessary knowledge and skills to safely handle such materials. Driving without the appropriate endorsement can result in significant fines and penalties.
In Idaho, you can add the CDL Tank endorsement to your current license. You will need to pass the Tanker Knowledge Test and pay an additional fee. No fresh application is necessary. Remember to meet all the requirements and provide the necessary documents when applying for the endorsement.
Yes, handling hazardous materials with a CDL Tank endorsement requires adherence to specific regulations. Drivers must pass the Hazardous Materials (HazMat) endorsement knowledge test, and undergo a TSA background check. They must also follow safety procedures for loading, unloading, and transporting hazardous materials, and be aware of emergency response procedures.