Air Brake Quizzes Online & Trivia

You need to be in proper gear when you are driving down a hill because you are only required to use the brake hard enough to get a slowdown. It can be tricky to go down a hill when you 're not an adept driver. This may be a task that you can allow other people to do if you feel that you cannot do it. Remember that your safety is always on the line while you drive. Even if you would have all of the right gear, there is no guarantee that you will stay safe the whole time that you are driving. Changing gears while going downhill is not an easy feat to do.

2 PSI PER MINUTE

Controlled braking is the opposite of a sudden pressing of the brakes leading to a jerky stop. Keeping your heel on the floor and using toes to apply pressure on the brake pedal gives you the best combination of braking effort and directional control. A gentle, steady and slow pressure is best.

Wait for normal pressure, release the parking brake, move the truck forward slowly, and firmly step on the brake.

You have to push the brake pedal harder to control speed on a downgrade.

Either the front or rear brakes will not be fully operational.

Less than two psi in one minute for single vehicles and less than three psi in one minute for combination vehicles

A two brake system, one operates the front brakes and one operates the back brakes.

Brake hard, release the brakes when the wheels lock, and reapply the brakes when the wheels start rolling.

Trailer service and spring brakes will not function correctly

621 and 690 kPa ( 90 and 100 psi )Diagram 11-2: Air pressure between 621 and 690 kPa (90 and 100 psi) with the service brake fully applied

Park on level ground, turn off parking brakes, pull hard on each slack adjuster. It shouldn t move more than one inch.