Knowledge Test Class B #1
Class B Driving Test | Louisiana 2025 #1 Page 3 of 7
Train for FREE online with our Louisiana 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 LA CDL class B permit in 2025, 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 . If driving so slowly that you could impede the flow of traffic, you should:
If you must drive so slowly that you will impede the flow of traffic, you should turn on your four-way flashers to alert drivers behind you (as long as local laws allow the use of flashers).
16 . Hanging meat as cargo is usually:
An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.
17 . If a vehicle is equipped with power steering, the hoses should be checked:
When inspecting a vehicle that is equipped with power steering, check the hoses, pumps, and fluid level. In particular, you should look for leaks in the hoses.
18 . If a vehicle's Anti-Lock Braking System (ABS) is malfunctioning:
An Anti-Lock Braking System (ABS) intervenes to reduce brake pressure if there is a risk of wheel lockup. If the ABS isn't working, the vehicle's basic braking functions are not affected. A driver should continue to drive and brake in a normal manner.
19 . When traveling long distances, you should:
To avoid becoming fatigued on a long trip, you should take a break after every 100 miles or two hours of driving. Driving through the night, or during any other time when you would normally be asleep, raises the danger of fatigue.
20 . When driving a 50-foot truck at 50 mph, your minimum following distance should be:
At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. When traveling at higher speeds, follow the same formula, then add one additional second to your following distance.
21 . On a leaf spring:
When inspecting your vehicle's suspension, verify that leaf springs do not have missing or broken leaves. If at least one-fourth of the leaves in a leaf spring are missing, the vehicle will be put out-of-service until the defect is fixed.
2025 Louisiana | Frequently Asked Questions
To acquire a CDL Tank endorsement in Louisiana, you need to pass the tank vehicle test. This involves studying the CDL manual, especially the section on tank vehicles. Then, you must schedule and take the test at your local DMV. Passing the test will add the Tank endorsement to your CDL. Always check with your local DMV for specific requirements.
To obtain a CDL Tank license, you must first have a Commercial Driver's License (CDL). You then need to pass the Tank Vehicle endorsement test. This would require studying the tank vehicle section in the CDL manual. After studying, schedule your test at the local DMV. Passing this test will add the Tank endorsement to your CDL.
While specific training or experience is not legally mandatory for a CDL Tank endorsement, it can be beneficial. Knowledge of handling and operating tank vehicles safely is crucial, and this can be gained through training or experience. However, the key requirement is passing the tank vehicle test after studying the relevant sections in the CDL manual.
Yes, to obtain a CDL Tank endorsement, you must pass an additional written test. The test covers specific knowledge related to the safe transportation of liquid and gaseous materials in tank vehicles. You can prepare for this test by studying the tank vehicle section in your state's Commercial Driver's License manual.
The written test for the CDL Tank endorsement includes subjects related to operating a tank vehicle. Topics include understanding high center of gravity, handling surge, inspecting tank vehicles, and safety considerations. The test aims to ensure drivers can safely handle the unique characteristics of driving a tank vehicle.
The CDL Tank endorsement assessment doesn't involve a specific skills or maneuvers test. It is a written exam that evaluates your knowledge of safely operating tank vehicles. Topics include understanding the vehicle's structure, handling high center of gravity, inspecting tanks, and dealing with surge effects. Practical skills are assessed under the general CDL driving test.
There aren't specific limitations for drivers with a CDL Tank endorsement. However, drivers must comply with federal and state regulations, including hours of service rules, weight limits, and hazardous materials restrictions. Additionally, some employers may have their own rules regarding experience, age, or physical condition. Also, driving under the influence can result in endorsement revocation.
No, a valid CDL Tank endorsement is required to transport liquid or gas materials in the United States. This endorsement ensures that drivers have the necessary knowledge and skills to safely operate tank vehicles and handle potential hazards associated with these types of materials. Driving without the proper endorsement can result in fines or legal action.
The CDL Tank endorsement can be added to your current commercial driver's license. You don't need to apply for a new license. However, you will need to pass the Tank endorsement written test. Once you pass the test, the Tank endorsement will be added to your existing CDL.
Yes, to handle hazardous materials with a CDL Tank endorsement, you must also have a Hazardous Materials (HazMat) endorsement. This requires passing a written test and a TSA background check. Additionally, you must follow the Federal Motor Carrier Safety Administration's safety regulations when transporting hazardous materials.