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FREE 2024 Hawaii (HI) Frenos de aire Prueba de práctica 3

2024 HI Información de Frenos de aire

La mayoría de los vehículos comerciales utilizan un sistema de frenos de aire sobre el sistema tradicional de frenos hidráulicos de los turismos debido al suministro "ilimitado" que pueden crear el compresor de aire incluido y los tanques de almacenamiento. Esto elimina la necesidad de agregar fluido hidráulico al conectar un remolque.

La prueba de frenos de aire cubre el sistema de frenos de aire en detalle, incluida la pérdida de aire adecuada, el retraso del freno, los componentes del sistema y más. Hay un total de 25 preguntas en el examen de frenos de aire, y debe obtener un 80% (20 de 25) para aprobar el examen. Estas preguntas se basan en el manual del conductor de 2024 Hawaii CDL.

El examen de frenos de aire es diferente a las otras pruebas de aprobación, en realidad sirve como una restricción en su licencia. Puede obtener un CDL sin la prueba de frenos neumáticos, pero no podrá conducir ningún vehículo que esté equipado con frenos neumáticos porque su licencia tendrá una restricción "L".

Image of Hawaii's Driver's License

Based on the 2024 HI CDL Driver's Manual

HI Frenos de aire Fact Sheet
Questions on Test:
25
Correct answers needed to pass:
20
Passing Score:
80%
Age to apply:
18
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ús tiene valvulas de control de estacionamiento duales, significa que puede usar la presion de un tanque separado para:
Califica esta prueba:
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  1. If your truck or bus has dual parking control valves it means that you can use pressure from a separate tank to:
  2. The brake pads should be _____ for the brakes to be on?
  3. You should know that your brakes are fading when:
  4. The application pressure gauge shows the driver how much pressure:
  5. If the air compressor should develop a leak, what keeps the air in the tanks?
  6. Why drain water from the compressed air tanks?
  7. During normal driving, spring brakes are usually held back by:
  8. Brake drums must not have cracks longer than _____ the width of the friction area?
  9. After the initial drop, the maximum acceptable leakage rates per minute are
  10. How do brakes work on a long, steep downgrade?
  11. How would you check your truck's slack adjusters?
  12. The parking brake control
  13. If the low air pressure warning signal is not working,
  14. Your vehicle has a dual air brake system. One of the systems loses air pressure. What will happen?
  15. Under ideal conditions, the average driver of a truck or bus equipped with air brakes and traveling at 55 mph would require what stopping distance?
  16. Modern air brake systems are three different systems combined: the service brakes, parking brakes, and _______ brakes.
  17. To check the free play of manual slack adjusters on S-cam brakes you should:
  18. Your truck or bus has a dual air brake system. If a low air pressure warning comes on for only one system, what should you do?
  19. If your vehicle has an alcohol evaporator, every day during cold weather you should:
  20. With S-cam drum brakes, when the brake chamber fills with air, air pressure pushes the push rod out, moving the ________ and thus rotating the ________.
  21. In which of the following situations should you NOT apply the parking brakes?
  22. Which of the following can cause brakes to fail or fade?
  23. If you need to stop quickly and your vehicle lacks antilock brakes, you can use
  24. Tractor and straight truck spring brakes will come fully on when the air pressure drops to a range of
  25. The modulating control valve allows you to control the
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