Combination #1
Combination Vehicles Practice Test | New Hampshire 2026 #1 Page 3 of 3
Train for FREE online with our New Hampshire CDL combination vehicle 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 combination 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 for issuing a combination license may vary from state to state.
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15 . Pull out the trailer air supply control to test:
The landing gear.
Be sure to test the trailer emergency brakes before beginning a trip. After ensuring that the trailer rolls freely, you can test the emergency brakes by pulling out the trailer air supply control, or placing it in the "emergency" position. Pull forward slightly with the tractor and make sure the trailer does not move.
16 . After finishing a pre-trip inspection, you should:
Leave the rear shut-off valves open.
Before a trip, you should ensure that air reaches all air brakes on all trailers by opening up the rear emergency line and service line shut-off valves to listen for escaping air. Close both shut-off valves before beginning to drive.
17 . A shut-off valve:
Should always be open.
Shut-off valves are used in air supply lines to control the passage of air from one trailer to another. The rear shut-off valve should always be closed to prevent air from leaving the braking system.
18 . When entering or crossing traffic while driving a combination vehicle, it is especially important that you:
Let other drivers wave you into their lane.
Combination vehicles require more space on the road than other vehicles. When entering or crossing traffic while driving a combination vehicle, it is especially important that there is a large enough gap in traffic for you to safely do so.
19 . The service air line is often controlled by the foot brake and is attached to the ____ valves.
The service air line carries air and is controlled by either the foot brake or trailer hand brake. The service air line is attached to relay valves, which allow the trailer brakes to be applied quickly.
20 . The best way to recognize that your trailer has started to skid is by:
The easiest way to become aware that your trailer has begun to jackknife is to observe it in your mirrors. Checking your trailer in your mirrors will also allow you to spot any skidding at the earliest possible moment.
See the exact questions that will be on the 2026 New Hampshire DMV exam.
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Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
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2026 New Hampshire | Frequently Asked Questions
To obtain a CDL Tank endorsement in New Hampshire, you must first have a valid Commercial Driver's License (CDL). Next, study the relevant section in the NH CDL manual, then schedule and pass the tank vehicle endorsement knowledge test at a DMV office. A fee will be charged for taking the test and adding the endorsement to your CDL.
To obtain a CDL Tank license in New Hampshire, you must first have a Commercial Driver's License (CDL). Then, you need to pass the Tank Vehicle endorsement test. This test covers knowledge on inspecting tank vehicles, driving tank vehicles, and safe driving rules. You must also be at least 21 years old for interstate driving.
While New Hampshire does not mandate specific training for a CDL Tank endorsement, having practical experience can be beneficial. However, it's crucial to study the Tank Vehicles section of the NH CDL manual. This will prepare you for the tank vehicle endorsement knowledge test, which you must pass to obtain the endorsement.
Yes, to get a CDL Tank endorsement in New Hampshire, you must pass the tank vehicle endorsement knowledge test. This is an additional written exam focused on the specific knowledge and skills needed for driving tank vehicles. It covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules.
The written test for the CDL Tank endorsement in New Hampshire covers various subjects related to tank vehicles. It includes understanding bulk tanks, inspecting tank vehicles, safe driving rules, handling high center of gravity, managing surge, and emergency procedures. The aim is to ensure you're knowledgeable and competent in driving tank vehicles safely.
The CDL Tank endorsement written test in New Hampshire focuses on knowledge rather than specific maneuvers. It evaluates your understanding of inspecting tank vehicles, driving tank vehicles, and recognizing high center of gravity and its effects. It also tests knowledge about bulkheads, baffles, surge, and how to handle leaks or spills.
Yes, drivers with a CDL Tank endorsement must adhere to specific rules and regulations. For instance, they must follow the hazardous materials regulations if their tank contains such substances. Also, they are required to take adequate breaks to avoid fatigue. Overloading the tank beyond its capacity is also prohibited. Violating these rules can lead to penalties or revocation of the endorsement.
No, a valid Commercial Driver's License (CDL) with a Tank Vehicle endorsement (N) is required to transport liquid or gas materials in a tank vehicle in New Hampshire. This applies to tank vehicles designed to carry liquids or gases with an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more. Violating this rule can lead to legal penalties.
Yes, the CDL Tank endorsement can be added to your current commercial driver's license. It doesn't require a fresh application for a new license. However, you will need to pass the Tank Vehicle Endorsement Knowledge Test and pay the necessary fees. Remember, you must have a valid CDL to add any endorsements in New Hampshire.
Yes, handling hazardous materials with a CDL Tank endorsement in New Hampshire requires additional certification. You must obtain a Hazardous Materials (HazMat) endorsement. This involves passing a knowledge test, a TSA background check, and a fingerprinting process. It ensures you understand the safety procedures and protocols for handling hazardous materials.
