New Jersey DMV CDL General Knowledge Quick Practice Test 4

New Jersey DMV CDL General Knowledge Quick Practice Test 4 For 2024

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. Drivers can get traveler information by dialing what number on their phone?

911
511
411

2. Dry bulk tanks:

Usually have low centers of gravity.
Usually have high centers of gravity.
Usually are not allowed to cross railroad tracks.
Cannot be driven on interstates.

3. Where is the safety relief valve usually located?

Near the rear brake
Near the front brake
In an air tank
On the dashboard

4. A truck tractor built after March 1, 1997 must be equipped with:

An Anti-Lock Braking System (ABS).
A flag.
Hydraulic brakes.

5. When asked to make a turn while taking your driving test, you should:

Use your turn signal, but only if other cars are present.
Check traffic only in the direction of the turn.
Check traffic in all directions.

6. Extremely hot temperatures can cause:

Tire failure.
A trailer to disengage.
Lights to malfunction.
Increased gas mileage.

7. To make driving at night easier, you should:

Keep your interior light turned on.
Adjust the instrument panel lights as dimly as you can while still being able to read the gauges.
Not take a nap before driving.
Use only your low beam headlights.

8. If you plan to slow down, you can warn drivers behind you by:

Slamming on the brakes.
Tapping the brakes a few times and before braking.
Turning on one set of turn signals.

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