Knowledge Test Class B #1
Class B Driving Test | Alabama 2025 #1 Page 5 of 7
Train for FREE online with our Alabama 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 AL 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.
50
40
20
29 . How many daily hours of sleep does an adult need to maintain alertness?
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need seven to eight hours of sleep per night.
30 . When changing lanes:
You do not need to use a turn signal.
Always change lanes slowly and smoothly to maintain control of your vehicle. Doing this will also allow a driver that you did not see time to move out of the way of your vehicle. Use the proper turn signal to communicate with other road users.
31 . When transporting cargo, drivers must check the securement of the cargo every:
The securement of cargo must be checked within the first 50 miles of a trip, and then again every three hours or 150 miles.
32 . If a load is 40 feet long, it should be secured by at least ____ tie-downs.
Cargo should be restrained by at least one tie-down for every 10 feet of cargo. However, all cargo should have at least two tie-downs, no matter the size of the cargo.
33 . Who is responsible for the safe operation of a vehicle?
The person driving a vehicle is responsible for its safe operation. Be sure to perform routine vehicle inspections before operating a commercial motor vehicle.
34 . Your horn should be used to:
Your vehicle's horn is a tool to warn others of your presence. Because the horn may create danger by startling other drivers, you should use it only if necessary.
35 . If a driver begins to feel fatigued while driving, they should:
Drive faster to finish the trip more quickly.
If you begin to feel drowsy while driving, the only safe response is to safely leave the road and get some sleep. Using artificial stimulants can be dangerous because they may cause extreme fatigue when they begin to wear off.
Search the best driving school in your neighbourhood
2025 Alabama | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Alabama, you must already possess a valid commercial driver's license (CDL). You'll then need to pass the Doubles and Triples Endorsement Knowledge Test. This test covers topics such as coupling and uncoupling, inspecting doubles and triples, and the proper procedures for towing double/triple trailers.
To obtain a CDL Doubles/Triples license, you must first have a valid commercial driver's license (CDL). Next, you'll need to pass the Doubles/Triples Endorsement Knowledge Test. This test covers areas such as coupling and uncoupling, inspecting doubles and triples, and correct towing procedures. Finally, pay the necessary fees to add the endorsement to your CDL.
While Alabama doesn't mandate specialized training for a CDL Doubles/Triples endorsement, it's recommended to study the Doubles/Triples section in the CDL manual thoroughly. This will prepare you for the written knowledge test at your local DMV. Practical experience driving such vehicles can also be beneficial, but it's not a legal requirement.
Yes, to obtain a CDL Doubles/Triples endorsement, you must pass the Doubles/Triples Endorsement Knowledge Test. This written test covers specific areas related to driving double and triple trailers, such as coupling and uncoupling, inspecting doubles and triples, and the correct procedures for towing these types of trailers.
The CDL Doubles/Triples endorsement test is a written knowledge test, not a skills test. It covers topics like coupling and uncoupling, inspecting doubles and triples, and correct towing procedures. However, practical skills like maneuvering such vehicles safely are important to learn during training, even though they are not directly tested during the endorsement exam.
No, it's not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in Alabama. This endorsement is required by law to ensure that drivers have the necessary knowledge and skills to operate these types of vehicles safely. Operating without the proper endorsement can result in fines and penalties.
You can add the CDL Doubles/Triples endorsement to your existing Commercial Driver's License. You don't need to initiate a completely new application. However, you will need to pass the Doubles/Triples Endorsement Knowledge Test and pay any associated fees to obtain this endorsement. Always check with your local DMV for specific procedures and requirements.
Yes, there are limitations for drivers with a CDL Doubles/Triples endorsement. These drivers can only operate vehicles that are specifically designed for double or triple trailers. They can't exceed the weight limits set by federal and state laws, and they must comply with hours of service regulations to prevent fatigue-related accidents. Additionally, specific routes may be restricted for these vehicles.
In Alabama, the maximum legal weight for a double or triple trailer setup is 80,000 pounds, depending on the trailer's axle configuration. The maximum length for any one trailer is 53 feet, but the combined length of all trailers can't exceed 65 feet. Violating these restrictions may result in penalties or fines.
Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety guidelines. These include conducting pre-trip inspections, understanding how to couple and uncouple correctly, and knowing how to handle the high rollover risk associated with these trailers. They must also ensure proper weight distribution in trailers and follow the rules for maintaining safe following distances. Compliance with all federal and state regulations is mandatory.
