Knowledge Test Class B #1
Class B Driving Test | New Hampshire 2026 #1 Page 7 of 7
Train for FREE online with our New Hampshire 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 NH 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.
50
40
20
43 . When cargo is being loaded, weight should be placed:
To reduce the risk of a vehicle tipping over, the weight of cargo should be distributed as low as possible.
44 . The controlled braking method is:
When the driver downshifts the gears to brake.
The method of controlled braking involves applying the brakes as hard as you can without locking the wheels. If you need to make large steering adjustments while using controlled braking, you should remove your foot from the brake pedal, steer, then reapply the brakes.
45 . What color malfunction lamps do vehicles equipped with ABS have?
Anti-Lock Braking System (ABS) malfunction lamps are usually yellow. Even if the ABS isn't working properly, a driver will still have access to the vehicle's usual braking functions.
46 . The driver of a commercial motor vehicle:
Can use a cell phone at night.
It is prohibited for CMV drivers to use hand-held mobile phones while driving.
47 . If you are disqualified from driving:
You must notify your employer within two business days if your license is suspended, revoked, or canceled, or if you are otherwise disqualified from driving.
48 . If one-fourth of the leaves in a leaf spring are missing when a vehicle is inspected:
When inspecting a vehicle's suspension, you should look for broken or missing leaves in the leaf springs. Any defect of this kind is dangerous. If one-fourth or more of the leaves are missing from any leaf spring, the vehicle must be put out-of-service.
49 . When you must travel down a grade, when should you switch into a lower gear?
At the bottom of the grade
Before starting down a hill, you should shift into a lower gear. This will help get your vehicle to a speed that you can control without having to use your brakes too much.
50 . A pre-trip inspection should include:
When examining the engine compartment during a pre-trip inspection, you should check the engine oil level, the radiator coolant level, and the condition of the hoses.
2026 New Hampshire | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in New Hampshire, you must already possess a valid CDL. You'll need to pass a written knowledge test specific to doubles/triples operation. Studying the New Hampshire CDL Handbook's section on doubles/triples is recommended. Once you've passed the test, the endorsement will be added to your CDL.
To obtain a CDL Doubles/Triples license, you firstly need to have a valid commercial driver's license (CDL). Next, you will need to pass a knowledge test specific to operating doubles/triples. This test covers topics such as coupling and uncoupling, inspecting doubles and triples, and the proper procedures for pulling double/triple trailers.
While no specific experience is mandated by law for a CDL Doubles/Triples endorsement, it's crucial you're proficient in operating a commercial vehicle. The endorsement requires passing a written knowledge test on handling such vehicles. Training, though not compulsory, can be beneficial for understanding vehicle handling, coupling/uncoupling, and inspection procedures.
Yes, to get a CDL Doubles/Triples endorsement, you must pass a specific written knowledge test. The test covers areas such as coupling and uncoupling, inspecting doubles and triples, and the correct procedures for pulling double/triple trailers. The endorsement does not require a separate skills test.
Actually, for a CDL Doubles/Triples endorsement, you won't need to demonstrate any specific skills or maneuvers in a road test. The endorsement requires only a written knowledge test. This test focuses on areas like coupling and uncoupling, inspecting doubles and triples, and proper procedures for pulling double/triple trailers.
No, it is not permissible. To legally operate double or triple trailers in New Hampshire, you must have a valid Commercial Driver's License (CDL) with a Doubles/Triples endorsement. Operating such vehicles without the proper endorsement can lead to legal penalties, including fines and potential loss of your CDL.
You can add the CDL Doubles/Triples endorsement to your existing CDL. You'll need to pass the Doubles/Triples knowledge test. Once you pass, the endorsement will be added to your CDL. It's not necessary to initiate a completely new application for a CDL unless your current one is not valid.
Yes, there are limitations for drivers with a CDL Doubles/Triples endorsement. One major constraint is that they can only drive double and triple trailers on highways and interstates. They are generally not allowed to drive these large vehicles in residential areas. Also, specific rules about weight and length of the trailers must be adhered to, as per federal and state regulations.
In New Hampshire, the maximum weight for a vehicle with a double/triple trailer is 80,000 pounds. The maximum length of a trailer is 53 feet. However, the combined length of the truck and double trailers cannot exceed 75 feet. For triples, the total length should not exceed 65 feet. It's important to check federal regulations as well, as they may have additional restrictions.
Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety guidelines. These include checking all connections regularly, maintaining safe following distances, and taking extra care when turning or changing lanes due to the increased length of the vehicle. Additionally, drivers must be aware of the "crack-the-whip" effect that can happen when driving at high speeds or making sudden lane changes.