NJ CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

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The CDL general knowledge test is required to be taken by all CDL applicants. The New Jersey CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the New Jersey CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual NJ general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. Which of the following helps keep the engine cool in hot weather?
Making sure the anti-lock braking system is on.
Driving faster to force more air into the radiator.
Making sure there is enough engine oil.
All of the above.
2. When driving on packed snow, you should reduce speed by:
25%.
one-third.
10%.
a half.
3. To keep the engine cool in hot weather, you should:
make sure there is enough engine oil.
check v-belt tightness by pressing on the belts.
make sure the engine cooling system has enough water and antifreeze.
All of the above.
4. Whether or not they load and secure the cargo themselves, drivers are responsible for:
making sure the cargo does not restrict access to emergency equipment.
recognizing poorly balanced weight.
knowing the cargo does not obscure the view ahead or to the sides.
All of the above.
5. When you are being tailgated, you should NOT:
turn on your taillights.
increase your following distance.
avoid quick changes.
All of the above.
6. To release the parking brakes:
push the parking brake control knob in.
place the parking brake control knob in Neutral.
pull the parking brake control knob out.
pump the brake pedal 3 times.
7. If you are carrying a heavy load that is slowing you down, you should:
drive in the right lane.
keep the vehicle in third gear.
drive in the left lane.
drive on the shoulder.
8. Retarders:
increase fuel efficiency.
can be noisy and may not be permitted everywhere.
help to increase brake pressure.
improve traction.
9. When driving, you should check your mirrors:
every 4 seconds.
every 10 seconds.
only when there may be a problem.
regularly.
10. When backing a trailer, you should:
avoid using the brakes.
try to position your vehicle so you can back on a curved path.
turn the steering wheel toward the direction you want to go.
turn the steering wheel in the opposite direction of the turn.
 
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NJ CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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