Knowledge Test Class B #2
Class B Driving Test | New Hampshire 2025 #2
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 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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1 . Who may operate a vehicle that requires placards to be driven?
Any person who thinks they can
You must have a CDL with a HazMat endorsement to operate a vehicle that is used to transport hazardous materials.
2 . Which of the following determines your blood alcohol concentration (BAC)?
The color of the drink
The three main factors that determine a person's blood alcohol concentration (BAC) are how much alcohol was consumed; how fast it was consumed; and the person's body weight. The only thing that can lower a person's BAC is waiting for the alcohol to leave their system naturally.
3 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
4 . What do headers do?
Act as wind guards
Front-end header boards protect the driver from the forward motion of their cargo in the event of a crash or emergency stop.
5 . On any upgrade, gravity will:
Cause your vehicle to swerve to the left.
When driving uphill, you are fighting the force of gravity, which will slow down your vehicle.
6 . If wheel bearing seals are leaking, you should:
Add brake fluid to the bearing.
When inspecting a vehicle, you should ensure that the wheel bearing seals are not leaking. If you find anything unsafe during the vehicle inspection, get it fixed. Federal and state laws forbid operating an unsafe vehicle.
7 . When traction is poor, a driver should accelerate slowly:
To be the last vehicle through an intersection.
Speeding up too quickly on a road with poor traction could cause a driver to lose control of their vehicle. In conditions that cause poor traction, a driver should accelerate especially smoothly and gradually.
2025 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.