Knowledge Test Class B #1
Class B Driving Test | New Jersey 2025 #1 Page 4 of 7
Train for FREE online with our New Jersey class B license 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 NJ CDL class B permit in 2025, 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 CDL class B requirements may vary from state to state.
50
40
20
22 . A commercial motor vehicle should:
Always be equipped with at least one fire extinguisher.
Vehicles must be equipped with the appropriate emergency equipment. When inspecting a CMV, you should check for at least one fire extinguisher; spare electrical fuses, unless the vehicle is equipped with circuit breakers; and the appropriate warning devices to be used when the vehicle is parked.
23 . When traveling on a downgrade, a vehicle will:
Likely swerve to the right.
On a downgrade, the force of gravity will cause a vehicle to speed up. Adjust your speed before approaching a hill to reduce overuse of your brakes.
24 . When driving in fog, you should:
Use the heater.
While it is best to entirely avoid driving in fog, you should turn on your low beam headlights if you must drive in foggy conditions. Using high beams is a bad idea because the lights will reflect off of the fog and back into your eyes, making the road and its surroundings even more difficult to see.
25 . If required to complete a vehicle inspection report in writing, the report must be signed:
Only if requested to do so by a law enforcement officer.
You must sign the previous vehicle inspection report only if defects were noted and certified to have been repaired or not needing to be repaired.
26 . A serious traffic violation involves each of the following offenses, except:
Following too closely.
Traffic violations classified as "serious" include excessive speeding, reckless driving, operating a CMV without a valid CDL, following other vehicles too closely, and improper lane usage. Consequences for multiple serious traffic violations can result in license disqualification.
27 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
28 . When a construction worker is close to the road, you should:
Wait until the construction is complete before proceeding.
In work zones, you should drive at the posted speed limits. Reduce your speed even further when workers are on or near the road.
2025 New Jersey | Frequently Asked Questions
A CDL Class B license in New Jersey allows the holder to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds. This includes buses, farm labor vehicles, and trailers. It does not allow the operation of Class A combination vehicles.
A Class B CDL license in New Jersey allows the holder to operate vehicles such as city buses, tourist buses, segmented buses, school buses, delivery trucks, dump trucks, garbage trucks, utility trucks and any single vehicle with a GVWR of 26,001 pounds or more or such vehicle towing another not exceeding 10,000 pounds.
In New Jersey, to obtain a Class B CDL license, you must be at least 18 years old (21 for interstate driving), have a valid basic New Jersey driver’s license, pass a vision exam, and successfully complete a written knowledge test. You must also pass a road skills test in the type of vehicle you plan to drive.
In New Jersey, you must be at least 18 years old to qualify for a Class B Commercial Driver's License (CDL). However, you must be 21 or older if you plan to drive across state lines or transport hazardous materials.
While not always necessary, specific endorsements can be added to a Class B CDL license in New Jersey to allow the driver to operate certain types of vehicles. These include school buses, passenger vehicles, tank vehicles, and those carrying hazardous materials. Each endorsement requires passing additional tests.
The Class B CDL skills assessment in New Jersey includes a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving examination. These tests evaluate your ability to inspect your vehicle, control it during basic maneuvers, and drive it safely in various road and traffic conditions.
Yes, Class B CDL license holders in New Jersey are limited to driving single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or towing a vehicle not heavier than 10,000 pounds. They cannot operate a combination vehicle (Class A) unless they have the appropriate endorsement.
Yes, in New Jersey, the written Class B CDL test can be taken in languages other than English. The test is available in Spanish. However, federal regulations require all CDL holders to read and speak English well enough to communicate with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request test accommodations for the Class B CDL written exam in New Jersey if you have a disability. Accommodations may include extended time, a quiet testing location, or the use of a sign language interpreter. You will need to provide documentation of your disability and specify the type of accommodation needed when scheduling your test.
Yes, if you don't pass the Class B CDL written test in New Jersey, you can retake it. However, you must wait at least seven days before attempting the test again. There may also be additional fees for each retest. It's advisable to study the CDL manual thoroughly before retesting.