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
You're loaded heavy with 1/2 tank of fuel onboard. Using the following numbers, where should you move the 5th wheel to get it setup properly?

steer axle: 10,800 pounds
drive axles: 34,700 pounds
Weight transfer: 500 pounds per hole
Which of these is not part of the pre-trip inspection of the engine compartment?
"According to the driver’s manual, why should you limit the use of your horn?"
When driving vehicles with ABS, braking:
Which of these is NOT a danger when an automatic transmission is forced into a low gear at a high speed?
Why is it important to shift gears correctly?
You are driving in an area with few streetlights, if you cannot see well with your headlights, which of the actions may help:
Which of these is a good thing to do when driving at night?
As the blood alcohol concentration (BAC) goes up, what happens?
You weigh the truck immediately before and after fueling. Based on the following, determine what percentage of the weight goes to each set of axles:

Before fueling:

steer: 10,200, drives: 31,300, gross: 71,700

After fueling:

steer:11,000, drives: 31,500, gross: 72,700

After taking 10 consecutive hours off duty, a driver begins to work at 8:00 a.m. The driver may operate a commercial motor vehicle until what time?
Is there a 14 hour rule violation on Day 2?
Day 1

Day 2
Which of these is correct about emergency or evasive action?
Using radar detectors in commercial vehicles:
Overloading can have all of the following effects except:
Which of these is true about notifying the authorities after an accident occurs?
How many on duty hours are remaining after the following has been logged (use a scratch sheet of paper if you need to):
- On duty/not driving: 3 hours
- Driving: 4 hours
- Sleeper berth: 8 hours
- Driving: 7 hours
- Off duty: 2 hours
For safer night time driving, windshields and mirrors should be:
You should wear a seat belt in a moving vehicle:
You receive a scale ticket and your drive axles are 31,700 and your trailer tandems are 35,100. Based upon a trailer with 6 inch slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and what would the final weights be?
If you are being tailgated, you should not:
What is the most important reason to inspect your truck or bus?
Which of these statements about double clutching and shifting is true?
When securing paper rolls on a flatbed or curtainside vehicle, it is acceptable to stack rolls with eyes vertical:
There are two types of jackknife, they are:
The load carrying area of a truck, trailer, or intermodal container is referred to as the:
How many violations have occurred on the below log?
Which of the following is not a requirement for shortwood loaded lengthwise?
The tread depth on front steering wheel tires should be:
Whenever possible, a row of metal coils with eyes vertical requires one direct tiedown to secure against rearward movement at what maximum angle?
Aggregate Working Load Limit is defined as:
Some large trucks have curved mirrors. These mirrors:
Cargo securement for a load weighing 37,000 lbs must be able to withstand a minimum forward braking force of:
A tractor trailer traveling 55 mph will travel how far between when the brain perceives a hazard and stopping?
What is the primary goal of implementing the Bridge Formula?
When using tiedowns for securing cargo, what is the general rule regarding cargo length.
A 'hook-lift container' is:
Which of these statements about overhead clearance is true?
Any CDL holder found to operating a CMV with ANY alcohol in his/her system will be placed out-of-service for a minimum of:
When securing a metal coil with eyes lengthwise, all of the following are steps for securement option #1 except for:
Is the following example within legal HOS limits?

- A trucker starts driving at 12:00pm
- At 5pm the driver takes a 1 hour break
- At 6pm the driver begins driving again
- At 11:30pm, the driver shuts down and goes off duty for 10 consecutive hours
When a tiedown is attached directly to the cargo, what is the ideal angle where it attached to the vehicle?
A container chassis vehicle, by definition, is:
You weigh the truck immediately before and after fueling. Based on the following, determine what percentage of the weight goes to each set of axles.

Before fueling:

steer: 11,450, drives: 33,100, gross: 76,700

After fueling:

steer:11,850, drives: 33,300, gross: 77,300

When securing a paper roll with a width that is more than twice its diameter, which of the following is not an acceptable method of securement to prevent tipping?
What is the minimum number of tiedowns to use on a load 4ft 7in long, and weighing 1,237 lbs?
Sliding your 5th wheel will redistribute the weight mainly between which two sets of axles?
Specifically prohibited in the testing area are cellphones and:
If traveling slower than traffic flow on a grade, if legal you should:
Submitting fingerprints for a background check will be required for drivers applying for: