Combination #1
Combination Vehicles Practice Test | New Jersey 2024 #1
Train for FREE online with our New Jersey CDL combination vehicle 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 combination license in 2024, 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 DMV requirements for issuing a combination license may vary from state to state.
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1 . What does the trailer air supply control look like?
It is a circular orange knob.
On newer vehicles, the trailer air supply control is an eight-sided red knob. It's used to control the tractor protection valve.
2 . A tractor protection valve is:
A device that allows the battery to recharge efficiently.
On combination vehicles with air brakes, the tractor protection valve keeps air in the tractor or truck brake system, should the trailer develop a bad leak or break away from the tractor.
3 . Rollovers happen when:
You plan an escape route.
Rollovers happen as a result of drivers taking turns too fast.
4 . When traveling more slowly than 40 mph, maintain at least ____ of following distance per every 10 feet of your vehicle.
Four seconds
At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. Follow the same formula when traveling at faster speeds, then add one additional second to your following distance. Remember that larger vehicles require more space to stop than smaller vehicles.
5 . Which type of vehicle is most prone to the “crack-the-whip” effect?
A triple trailer
Triple combination trailers are most vulnerable to the "crack-the-whip" effect.
6 . What is a bobtail?
A tractor that goes slower than the speed limit
Tractors without semi-trailers are referred to as bobtail tractors. Operating a bobtail tractor requires drivers to exercise caution.
7 . When backing up to couple a trailer, you should position the tractor:
At a 60-degree angle in front of the trailer.
When backing up to couple a trailer, you should position the tractor directly in front of the trailer. Trying to couple while backing at an angle could cause the trailer to move and the landing gear to break.
2024 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.