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
Vehicle skids are often caused by:
The driver is responsible for all of the following except for:
You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?
If you are stopped at a roadside rest area and found to have a BAC (Blood Alcohol Concentration) of 0.02 you will:
Which statement is true?
On what day and time does a 14 hour rule violation occur?
Day 1

Day 2
When driving in very hot weather, it is critically important to carefully inspect:
When loaded cement pipe over 45 inches in diameter, which pipes should be blocked, wedged, or otherwise immobilized?
What violations occurred on Day 2 of this example?
Day 1

Day 2
California allows 20,000 pounds maximum on the steer axle. The tread width of your tires is 11 inches, and the load rating on your steer tires is 7000 pounds. How much weight can you carry on your steer axle in California?
Based on the following figures, how much fuel can you legally add while remaining legal on the steer axle?

Load rating of steer tires: 6,150 pounds

Percentage of fuel weight to steer axle: 80%

Steer axle weight limit in states you're travelling: 20,000 pounds

Weight Before Fueling: Steer: 11,450, drives: 33,100, gross: 76,700

You are starting your vehicle in motion from a stop. As you apply power to the drive wheels, they start to spin. You should:
A device placed between the deck of a vehicle and car or between articles of cargo, intended to provide greater friction than exists naturally between these surfaces is:
Any operator who refuses to submit to drug or alcohol testing, or who tests in excess of the legal limits, will be disqualified for a minimum of:
Securing heavy vehicles or equipment with crawler tracks or wheel requires a minimum of how many tiedowns?
When starting in slippery conditions, you should:
Which of these statements about downshifting is true?
How long should it take oil pressure to come up to normal?
Which of these do not provide extra gears on some trucks?
What is the Federal standard for the weight limit on a single axle?
You should try to park so that:
Why did Congress enact the Bridge Formula in 1975?
What violation has occurred at 10:00 a.m. on Day 2?
Day 1

Day 2
Who must complete a log?
Which of these should you NOT do in an emergency situation?
A tiedown with a marked WLL of 8,000 lbs directly attached to an article has an actual WLL of:
What is the total WLL of two 20mm nylon ropes and one 5/8-inch wire rope?
After starting the engine:
Which of these statements about brakes is true?
What is the cargo's center of gravity?
Which of these would NOT help if windshield is covered with ice?
When securing metal coils in a sided vehicle without anchor points:
Some common causes of vehicle fires are spilled fuel, improper fueling, under-inflated tires, and:
Working Load Limit (WLL)is defined as:
What is a headboard?
To help stay alert while driving, when should you take breaks?
To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back into the pavement?
Stab braking should not be used on vehicles with:
Using the following numbers, what would be the final result if you moved the 5th wheel back one hole?

steer axle: 12,300 pounds
drive axles: 33,100 pounds
Weight transfer: 500 pounds per hole
Some causes of fuel fires include improper fueling, driver smoking, and:
Which of these statements about acceleration is true?
When securing a single metal coil with eyes vertical:
The narrowest end of a boulder should be pointed:
You receive a scale ticket and your drive axles are 35,400 and your trailer tandems are 31,100. Based upon the two most common tandem slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and in which direction?
What is the minimum WLL of a tiedown used to secure logs?
Which of these is NOT a good rule to follow when caring for injured persons at an accident scene?
Posted heights at overpasses:
There will be times when you must take a minimum of a 30 minute break off duty before performing which of the following tasks?
CDL drivers from New York State require the Metal Coils Endorsement when transporting metals coils weighing:
Within the requirements for concrete pipe, which of these requires specific securement methods?