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Double Triple Test | New Hampshire 2026 #1 Page 2 of 3
Train for FREE with our New Hampshire CDL double triple practice test online. 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 double triple license 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 DMV requirements may vary from state to state.
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8 . 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.
9 . When traveling down a long downgrade, you should brake by:
Never using the brakes.
On a downgrade, you should use the braking effect of your engine as the principal way of controlling your speed. Save your brakes for additional slowing or stopping that may be required by road or traffic conditions.
10 . If required to complete a vehicle inspection report in writing, the report must be signed:
Only if requested to do so by a law enforcement officer.
You must sign the previous vehicle inspection report only if defects were noted and certified to have been repaired or not needing to be repaired.
11 . In very hot weather, tires should be checked regularly because:
The lug nuts may loosen.
Air expands as it gets warmer, so the air pressure in your tires could reach dangerously high levels while being used in very hot weather. If this happens, stop and let your tires cool. Do not let air out of the tires, as this could result in the pressure dropping to an unsafe level once the tires cool down.
12 . After a trailer starts to turn during backing, you should follow the trailer by:
Using the brakes.
When backing a vehicle with a trailer, you must turn the steering wheel in the direction opposite of where you want to go. Once your trailer starts to turn, you should turn the steering wheel the other way to follow the trailer.
13 . What should you do when confronted with an aggressive driver?
Have a conversation.
If confronted by an aggressive driver, the most important thing for you to do is get out of their way. Avoid making eye contact, do not challenge them by increasing your speed, and do not let yourself be provoked by any angry gestures they direct toward you.
14 . 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.
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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.