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FREE 2024 North Carolina (NC) Combinación Prueba de práctica 3

2024 NC Información de Combinación

El respaldo combinado le permite conducir un vehículo motorizado comercial (CMV) con un remolque adjunto. La aprobación combinada se requiere para un CDL de Clase A y permite que solo se conecte un remolque a la unidad de potencia. Si está buscando tirar de más de un remolque, también tendrá que tomar el respaldo de dobles - triples.

El examen combinado consta de 20 preguntas de opción múltiple que cubren las habilidades adicionales necesarias para operar un vehículo combinado, que generalmente son más pesadas, más largas y requieren habilidades adicionales. Deberá obtener un puntaje de al menos el 80% (16 de 20) para aprobar el examen combinado.

Tenemos 100 preguntas que es probable que encuentre en el examen de aprobación combinado. Estas preguntas siguen las pautas del manual para conductores de North Carolina 2024, lo ayudarán a agregar el respaldo combinado a su CDL y le brindarán comentarios inmediatos con explicaciones para ayudarlo a retener la información. Comience hoy y póngase en el asiento del conductor.

Image of North Carolina's Driver's License

Based on the 2024 NC CDL Driver's Manual

NC Combinación Fact Sheet
Questions on Test:
20
Correct answers needed to pass:
16
Passing Score:
80%
Age to apply:
18
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la tasa de fuga de aire para un vehiculo de combinacion (motor apagado, frenos en) no debe ser mas de _ _ de PSI por minuto.
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  1. The air leakage rate for a combination vehicle (engine off, brakes on) should not be more than ____ PSI per minute.
  2. Why should you lock the tractor glad hands to each other or to the storage bracket when you are not towing a trailer?
  3. You are driving a combination vehicle when the trailer breaks away, pulling apart both air lines. You would expect the trailer brakes to come on and:
  4. The hand valve should be used:
  5. Combination vehicles take longer to stop when they are empty than when they are fully loaded, because
  6. To uncouple a loaded trailer, after the landing gear has made firm contact with the ground, you should
  7. The tractor protection valve is designed to close automatically when the air pressure falls into the pressure range specified by the manufacturer, typically
  8. If the brakes did not release when you pushed the trailer air supply valve, you should
  9. In general, the higher your truck's center of gravity, the
  10. When you test the tractor protection valve, the red air supply control knob should go into the ________ position.
  11. When coupling, the proper position of the fifth wheel is
  12. The front trailer supports are up, and the trailer is resting on the tractor, make sure:
  13. You are coupling a tractor to a semi-trailer and have backed up but are not under it. What should you hook up before backing under?
  14. Before you back under a trailer, make sure the:
  15. On a double or triple vehicle, which wheels off-track the most?
  16. Which statement best illustrates the "crack-the-whip" effect?
  17. To test the tractor protection valve, charge the trailer air brake system, turn off the engine, and
  18. Which of these vehicles off-tracks the most?
  19. Almost half of all truck driver deaths are the result of
  20. At night, when a vehicle is carrying a load that extends four feet or more beyond the rear of the body, there must be _______ at the extreme end of the load.
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