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

How should you inspect a converter dolly?

2 / 40

Select the reason as to why air tanks need to be drained:

3 / 40

What is the main difference between a portable tank and a cargo tank?

4 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

5 / 40

Unless you_____you will feel the effects of a liquid surge.

6 / 40

How do you test the trailer service brakes?

7 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

8 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

9 / 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.

10 / 40

When transporting hazardous waste, you must:

11 / 40

If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?

12 / 40

A "transport index" relates to products that are:

13 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

14 / 40

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

15 / 40

Which of the following parts do not get checked in the Bus Interior inspection:

16 / 40

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

17 / 40

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

18 / 40

Check to ensure that____when inspecting the coupling.

19 / 40

Why do air brakes take longer to stop than hydraulic brakes?

20 / 40

The longest crack that brake or disc drums can have is:

21 / 40

Where are shut off valves located on trailers that are doubles or triples?

22 / 40

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

23 / 40

When should you avoid using the parking brake?

24 / 40

How often should air tanks be drained?

25 / 40

What position should the tractor protection control valve be in after coupling?

26 / 40

Which of the following types of cargo can never be carrier on a bus with riders?

27 / 40

Forward and back surge is powerful in this type of tanker.

28 / 40

A minimum tread depth of 2/32 inch is required for:

29 / 40

Select which is not a mandatory emergency equipment:

30 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

31 / 40

You must keep shipping papers describing hazardous materials ______.

32 / 40

Select the answer that is controlled by the foot brake.

33 / 40

Which of the following is a reason that shippers package material?

34 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

35 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

36 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

37 / 40

If the hazardous materials are classified as FORBIDDEN you should:

38 / 40

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

39 / 40

Buses may NOT have recapped or regrooved tires:

40 / 40

Which of the following materials would be an acceptable floor liner for moving Division 1.1 or 1.2 materials?

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.