Free New Hampshire CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our NH General Knowledge Practice Test has the same questions as the real exam which is based on the NH CDL Manual. Our CDL practice test pack covers most of the subject areas on the New Hampshire General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our NH CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2021 NH commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NH CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
When are helpers needed to back your vehicle?
You are driving on a clear night. You must dim your headlights from high to low. You should adjust your speed so that you can stop within:
Tourists may be hazardous because?
The purpose of the retarders is to:
You are driving a 40-foot vehicle at 35 mph. The road is dry, and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?
"The driver’s manual suggests several things to do when you pass a vehicle. Which of these is NOT one of them?"
Which day below contains at least 1 violation?
Day 1

Day 2
When starting to move the truck, when is it acceptable to roll backwards?
Which of these is true about hazardous materials:
What is the Federal Standard for maximum weight on a tandem axle vehicle?
Based on the following information, how much fuel can you legally add while remaining legal on the drive axles?

Percentage of fuel weight to drive axles: 25%

Weight Before Fueling: Steer: 11,275, drives: 33,800, gross: 77,420

The distance the truck will travel between noticing a hazard and hitting the brakes is:
When securing rolls of paper with eyes vertical, how many points of contact are required to consider a roll secure?
Ideally, where would you like the cargo's center of gravity located?
A bulkhead is defined as:
A female housing fixed to the side or ends of a vehicle to receive a stake or peg, and may also be used as an anchor point is a:
Medicine used to treat the common cold:
Space to the ____ your vehicle is most important to manage.
As part of the log packing requirements:
A securement system must be capable of resisting how much lateral (side-to-side) force, at minimum?
What affect will sliding the trailer tandems forward have on the weight distribution?
Which of the following headlight issues can be hazardous?
When securing concrete pipe loaded crosswise, arrange the top tier:
EOBR's are required to automatically record which of the following?
In cargo securement, the deck is:
The engine brake effect is greater when the engine is _____ governed RPM and the transmission is on a _____ gear.
Which of these is a good thing to do when steering to avoid a crash?
When loading a trailer, if the cargo is loaded all to the rear, it may result in:
Extra care is needed to keep your vehicle centered in your lane because commercial vehicles:
If you increase your speed from 20 to 60 mph (original speed times 3), how much more braking distance is required at 60 mph than at 20 mph?
What is the minimum requirement for securing roll-off and hook containers?
Which of these is true about hauling hazardous materials?
A traffic emergency requires you to escape to the shoulder or roadside. If possible, slow down to ____ mph before using your brakes.
The maximum number of pull-ups allowed during the driving exam before failure is:
When vehicles towing trailers go into a drive-wheel skid, the trailer can push the towing vehicle sideways, causing a:
All of the following are classified as "a drink" and contain the same amount of alcohol except:
Which of these is not a type of retarder?
To protect the area after an accident, steps you should take include:
What hours must your logbook show?
When parked on the side of a two-lane road carrying traffic in both directions, place warning devices:
Which statement below accurately describes the 11 hour driving limit?
What happens to tar on the road pavement during hot weather?
The distance that you should look ahead of your vehicle while driving is about __ at low speed.
When entering and exiting an expressway, and also generally any time you drive, you should:
A device placed on the exposed edge of an article to distribute tiedown forces over a larger area of cargo than the tiedown itself, to protect the tie-down and/or cargo from damage, and to allow the tiedown to slide freely when being tensioned is a:
A driver will generally be required to have a DOT medical card in order to drive which of the following:
If a straight vehicle (not trailer or articulation) goes into front-wheel skid, it will:
What is the minimum number of tie-downs to be used on flatbed cargo?
When starting down a hill, instead of using the foot brakes to control speed:
Some suggestions for reducing stress and aggressiveness while driving might include all of the following EXCEPT: