new jersey
CDL Practice Test

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Welcome to the CDL practice test site for New Jersey. Questions from these tests cover rules and regulations in the NJ CDL manual. These questions are written to prepare you for the official NJ CDL test as you look to obtain your New Jersey CDL. You are welcome to take these New Jersey CDL permit practice tests as many times as you like as all of the tests on this site are free. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50 minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

You should be extra cautious when___while driving a smooth bore tanker combination.

2 / 40

What is the service air line controlled by?

3 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

4 / 40

Air brake systems should not lose air faster than____when testing for air leakage rates in combination vehicles before applying the brake pedal.

5 / 40

____is what can legally hold the parking brake or emergency brake in position for a bus, truck, or truck tractor.

6 / 40

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

7 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

8 / 40

What must vehicles with air brakes have?

9 / 40

Select which is not a mandatory emergency equipment:

10 / 40

The safety catch for the fifth wheel locking lever must be ____ for a coupling to be complete.

11 / 40

If students must cross the street, when they get off the bus, which statement is true?

12 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

13 / 40

You should check your tires every ____ or every ____ when driving in very hot weather.

14 / 40

On a drawbridge, you do not need to stop, but must slow down and make sure it's safe, when:

15 / 40

The interlock system for the brake and accelerator on a transit coach may be used:

16 / 40

How do you determine if slack adjusters need to be adjusted?

17 / 40

You should never brake and should rely only steering inputs to avoid a crash while driving a tanker truck.

18 / 40

You must have placards for explosives, poison gas or flammables exceeding:

19 / 40

Check to ensure that____when inspecting the coupling.

20 / 40

What might happen if a trailer is too high when you try to couple?

21 / 40

Some city transit buses may have a brake-door interlock system, this system:

22 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

23 / 40

You should check the_____when loading small tanks equipped with bulkheads.

24 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

25 / 40

Buses may carry small-arms ammunition labeled ORM-D, emergency hospital supplies, and drugs. However, buses must never carry:

26 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

27 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

28 / 40

The parking brakes should be used____in air brake vehicles.

29 / 40

Select the statement that best describes what the service line is for.

30 / 40

When this item is missing or loose, movement may occur between the fifth wheel assembly and the frame.

31 / 40

Which of the following is something the driver must watch for:

32 / 40

Cargo tanks are:

33 / 40

Which of the following types of emergency equipment must you have on your bus?

34 / 40

You must first______to supply air to the trailer.

35 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

36 / 40

If you do become sleepy while driving, you should _____.

37 / 40

Select the factor that is known to cause brakes to fail or fade. (more than one answer may be correct, but select only one)

38 / 40

How do you secure a second trailer to your combination vehicle?

39 / 40

It is important to know the outage required for the liquids you carry because:

40 / 40

Select the factors that can cause your brakes to fade or fail:

Your score is

The average score is 65%

3.6/5 - (5 votes)

CDL Category Practice Tests

CDL Practice Test

How To Get A new jersey Commercial Drivers License

To be eligible for a CDL in New Jersey, applicants must be at least 18 years old to operate within state lines and must be at least 21 to drive a commercial vehicle across state lines. To be eligible to drive a commercial vehicle in New Jersey, applicants must provide verification that they are medically fit to operate a commercial vehicle. New Jersey applicants must pass a vision test and have 20/40 vision in each eye.

All applicants must submit the following documents when they apply for a CDL.

  • (Form MCSA-5876) Medical Examiner’s Certificate
  • CDL Holder Self-Certification Form

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in New Jersey. Applicants must possess a basic New Jersey Class D driver’s license.

New Jersey CDL Endorsements

  • H – Hazmat Vehicles
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Towing a Double or Triple Trailer

Hit the Open Road

new jersey CDL License Test Tips

Every New Jersey CDL applicant must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the New Jersey test, applicants must score 80 percent or higher. There are additional tests for applicants who want to drive specialized commercial vehicles. The New Jersey skills test can be taken 20 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans who were discharged within 12 months of completing the CDL application and active military members can have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must show proof of military enlistment or discharge or have operated a motor vehicle equivalent to a commercial motor vehicle in the military within 12 months of the application date. In addition, applicants must possess a valid New Jersey driver’s license and submit an application for a Military Skills Test Waiver that is signed by the commanding officer.

Additional Information

Information on the New Jersey Motor Vehicle Commission

The New Jersey Motor Vehicle Commission provides oversight for the CDL license requirements in New Jersey. To get more information contact them via:

Website: https://www.state.nj.us/mvc/drivertopics/cdl.htm

Phone: 609.292.6500

 

Additional New Jersey CDL Helpful Links

Please use the links below to access more valuable New Jersey CDL testing resources and to learn more about practice driving tests for the state of New Jersey.