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

When arriving at the destination announce:

2 / 40

At around____the governor allows the air compressor to start pumping again:

3 / 40

You should check that the following makes an audible noise:

4 / 40

What is the next step after securing the bus when you have an unruly child on board?

5 / 40

Alcohol evaporators in some air brake systems help to:

6 / 40

Select the true statement about empty trucks:

7 / 40

When backing, what is the best method to use to avoid blind spots?

8 / 40

Of the following hazardous material classes, which is the most dangerous?

9 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

10 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

11 / 40

What do you need to do to supply air to the air tanks of the second trailer?

12 / 40

To transport cargo safely, which of these are you NOT responsible for?

13 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

14 / 40

Select the statement that best explains the "crack-the-whip" effect.

15 / 40

Select the true statement about emergency brakes:

16 / 40

One reason hauling liquids in tank vehciles require special care is:

17 / 40

This object should be free of shiny treads, rust, free of cracks and distortions.

18 / 40

To test the security of the tractor semi trailer connection you should:

19 / 40

Select the action that is not appropriate when driving on slippery roads:

20 / 40

When is it best to wear your seat belt?

21 / 40

The Emergency Response Guide, ERG, can best be explained as _____.

22 / 40

This carries hydraulic fluid or air to the wheel brake assemby.

23 / 40

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

24 / 40

The locking jaws of the kingpin should close around:

25 / 40

If you are required to stop at railroad crossings, you must:

26 / 40

Suspension systems:

27 / 40

Front wheel brakes are good under what kind of conditions?

28 / 40

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

29 / 40

The crack-the-whip effect is more likely to cause the front trailer to tip over.

30 / 40

You should activate hazard lights within approximately how many feet before railroad crossing?

31 / 40

What is the purpose of the supply pressure gauge?

32 / 40

An oncoming vehicle keeps its high beams on. You should deal with this hazard by:

33 / 40

Select the answer that is not a part of the braking process when driving a tractor-trailer combination vehicle that has ABS:

34 / 40

You should place the starter switch key into your pocket while you are performing the pre-trip inspection because:

35 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

36 / 40

With most hazardous materials, you may park within 5 feet of the road briefly, if your work requires it. The materials that are the exception and do not allow parking this close to the road are:

37 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

38 / 40

What is the most important reason for doing a school bus inspection?

39 / 40

What does the service brake system do?

40 / 40

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

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.