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

Alcohol evaporators in some air brake systems help to:

2 / 40

You must control how far packages labeled "Radioactive II" or "Radioactive III" are located from people and cargo space walls by referring to:

3 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

4 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

5 / 40

How do you check the connection after locking the kingpin into the fifth wheel?

6 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

7 / 40

Play of the steering wheel should not exceed:

8 / 40

The shipping papers for hazardous materials can be found:

9 / 40

Select how brakes work on long, steep downgrades:

10 / 40

How should the shut off valves at the rear of the trailer be when inspecting doubles?

11 / 40

This object releases the fifth wheel locking jaw to allow uncoupling.

12 / 40

What is the minimum amount of distance you should maintain when driving at 50 mph in ideal conditions with a 100 ft twin trailer combination?

13 / 40

How often should you check the tires on a placarded trailer that has dual tires?

14 / 40

You may use DANGEROUS placards instead of separate placards for each Table 2 hazard class when:

15 / 40

Rods, connecting links, and arms from the steering box to the wheel are a part of the:

16 / 40

You should brake on a long steep downgrade hill as a supplement to the braking effects of the engine

17 / 40

Spring brakes are usually held back by_____during normal driving.

18 / 40

What is the purpose of the supply pressure gauge?

19 / 40

Why should you cover cargo?

20 / 40

Which of the following statements about special danger of loading and unloading is true?

21 / 40

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

22 / 40

Select the correct description for a bulkhead tank.

23 / 40

A tractor should not be backed under a trailer until the whole air system is:

24 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

25 / 40

When conducting a pre-trip inspection, the most important item to verify is _____.

26 / 40

What action should you take before driving while drowsy?

27 / 40

When driving on a clear night with the vehicle lights on, your speed should be such that you can stop within _____.

28 / 40

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

29 / 40

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

30 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

31 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

32 / 40

Puddles or dripping fluids from the underside of the transmission and engine may indicate:

33 / 40

Select the correct setup for shut-off valves:

34 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

35 / 40

Select which vehicles are required to have a low air pressure warning signal:

36 / 40

Select the true statement:

37 / 40

What does it mean when the safety valve releases air?

38 / 40

You should check your mirrors while making a lane change:

39 / 40

If the hazardous materials are classified as FORBIDDEN you should:

40 / 40

Charter drivers should not:

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.