Air Brakes Endorsement Test | New Jersey 2024 #2 Page 4 of 4
Train for FREE online with our New Jersey CDL air brake test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a NJ Class A/Class B driver license in 2024, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that the requirements for CDL may vary from state to state.
19 . Air brakes are:
As long as the brakes are properly maintained, using air brakes is a safe and effective method of stopping large, heavy vehicles.
20 . When the brake pedal is pushed down, air brakes work:
Because air takes time to flow through the air lines to the brakes, air brakes cannot begin working instantly. There is often a brake lag of at least one-half of a second between the moment the brake pedal is pressed and the moment the brakes begin to work.
21 . Anti-Lock Braking Systems (ABS):
ABS is equipped in addition to a vehicle's normal braking system and it neither increases nor decreases the vehicle's braking capability. ABS activates during hard applications of the brake pedal in order to prevent wheels from locking up.
22 . Front wheel braking works:
Front wheel braking is effective under all road conditions. It is unlikely that you will experience a front wheel skid, even on ice.
23 . In a newer vehicle, you apply the parking brake:
In a newer vehicle with air brakes, the parking brake is controlled by a diamond-shaped yellow knob. The knob is pulled out to apply the parking brakes and pushed in to release them.
24 . Foundation brakes are used:
Foundation brakes are used at each wheel. The most common type is the S-cam drum brake.
25 . What can happen if parking brakes are used in very wet weather with temperatures below freezing?
Parking brakes should not be used in very wet weather when temperatures are below freezing. The brakes could become frozen in place, making it impossible to move the vehicle.
See the exact questions that will be on the 2024 New Jersey DMV exam.
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