Free New Jersey 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 NJ General Knowledge Practice Test has the same questions as the real exam which is based on the NJ CDL Manual. Our CDL practice test pack covers most of the subject areas on the New Jersey 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 CDL Practice Test NJ 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 NJ commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NJ CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
When securing concrete pipe over 45 inches loaded crosswise, which direction must the tiedowns on the rear half of the load run?
Which statement below is false?
Which of these is NOT a danger when an automatic transmission is forced into a low gear at a high speed?
What should you do before driving in mountains?
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

If you have to make a vehicle inspection report you must sign it
You are driving a vehicle that could be driven safely at 55 mph on an open road. But traffic is heavy and other vehicles drive at the speed of 35 mph, though the speed limit is 55 mph. The safest speed for your vehicle is more likely to be:
When you encounter a driver that appears to be distracted, you should:
To test for leaks on hydraulic brake systems:
Overloading can have all of the following effects except:
Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle?
Drivers should be aware that convex mirrors will make reflections look:
All of the following are requirements for transporting coils with eyes crosswise except:
Option #3 for securing metal coils transported with eyes lengthwise includes all of the following except:
Freeway exits can be dangerous for commercial vehicles, at what speed should you enter the exit?
Which of these statements about drugs is true?
Touching or crossing over a boundary line during the driving exam is considered a(n):
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?
You are traveling down a long, steep hill. Your brakes get so hot that they have failed. What should you do?
Which of the following are not a primary factor affecting weight distribution across the axles?
When is it acceptable to use amphetamines to help you stay awake while driving?
What factor has the greatest affect on how much weight is moved per hole in the tandem slider rail?
Another name for 'skid', a platform or tray on which cargo is placed so that it can be handled as an article.
What happens if you spend 8 hours in the sleeper berth?
A chock is defined as:
Requirements for securing a non-cubic shaped boulder with a stable base include all of the following except:
The load carrying area of a truck, trailer, or intermodal container is referred to as the:
In cargo securement, the deck 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: 11,100, drives: 32,600, gross: 71,400

After fueling:

steer:11,850, drives: 32,850, gross: 72,400

Which of these could be considered off duty time?
A placarded vehicle must have how many identical placards?
Which of the following is not a requirement for shortwood loaded lengthwise?
Controlled braking is:
A chain marked with a
4 is identified as what kind?
What is the minimum allowable tread depth for every groove on the front tires?
Which vehicle will have the most difficulty staying in its lane during strong wind?
What is the minimum requirement for securing roll-off and hook containers?
All of the following are classified as "a drink" and contain the same amount of alcohol except:
If you do not have a CB-radio, what procedure should you follow on an accident scene?
When parked on the side of a two-lane road carrying traffic in both directions, place warning devices:
Vehicles should be equipped with all of the following emergency equipment except:
When backing, all of the following are important safety rules:
Which of these items is NOT checked for a pre-trip inspection?
If you have a heavy load that is slowing you down on an upgrade you should:
Which of these statements about acceleration is true?
What is bell pipe concrete?
Which of these lights cannot be checked at the same time?
What violation has occurred at 8:00 a.m. on Day 2?
Day 1

Day 2
Working Load Limit (WLL)is defined as:
There will be times when you must take a minimum of a 30 minute break off duty before performing which of the following tasks?