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Question 1 of 20
1. Question
Which of the following is a proper technique in using controlled braking? -________________________Que sistema de frenado por aire es el mas comun?
_____CorrectIncorrectHint
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Question 2 of 20
2. Question
Most newer heavy vehicles use dual air brake systems for safety. A double air brake system has which of the following?-________________________La mayoria de los vehiculos pesados mas nuevos utilizan sistemas de doble freno de aire para mayor seguridad. Un sistema de doble freno de aire tiene los siguientes
_____CorrectIncorrectHint
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Question 3 of 20
3. Question
Air brakes need more stopping distance than hydraulic brakes because…-________________________Los frenos neumaticos necesitan mas distancia para detenerse que los frenos hidraulicos porque ?
_____CorrectIncorrectHint
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Question 4 of 20
4. Question
Before driving a vehicle with a double air system, let the air compressor accumulate up to 100 psi of pressure in which of the following?-________________________Antes de conducir un vehiculo con un sistema de aire doble, deje que el compresor de aire acumule hasta 100 psi de presion, en cual de los siguientes?
_____CorrectIncorrectHint
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Question 5 of 20
5. Question
When driving a vehicle at 55 mph on a dry pavement and with good traction and braking conditions, what is the approximate total stopping distance necessary for your vehicle to come to a complete stop?-________________________Al conducir un vehiculo a 55 mph en un pavimento seco y con buenas condiciones de traccion y frenado, cual es la distancia de parada total aproximada necesaria para que su vehiculo se detenga por completo?
_____CorrectIncorrectHint
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Question 6 of 20
6. Question
Which of the following options tells you how much pressure is in the air tanks?-________________________Cual de las siguientes es una tecnica adecuada para usar el frenado controlado?
_____CorrectIncorrectHint
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Question 7 of 20
7. Question
Which of the following statements about using retarders are true?-________________________Cual de las siguientes afirmaciones sobre los frenos de resorte son ciertas?
_____CorrectIncorrectHint
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Question 8 of 20
8. Question
How does letting up on the brake pedal release the brakes?-________________________Como soltar el pedal del freno para liberarlos?
_____CorrectIncorrectHint
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Question 9 of 20
9. Question
What controls the parking brakes in newer vehicles?-________________________Que controla los frenos de estacionamiento en los vehiculos mas nuevos?
_____CorrectIncorrectHint
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Question 10 of 20
10. Question
In checking that the spring brakes come on automatically, you should not -________________________Al verificar que los frenos de resorte se activan truckmaticamente, no debe?
_____CorrectIncorrectHint
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Question 11 of 20
11. Question
A low air pressure warning comes on if the PSI is below ____.-________________________Se enciende una advertencia de baja presion de aire si el PSI esta por debajo de ____.
_____CorrectIncorrectHint
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Question 12 of 20
12. Question
The main purpose of the alcohol evaporator is to -________________________El principal objetivo del evaporador de alcohol es?
_____CorrectIncorrectHint
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Question 13 of 20
13. Question
When braking on descents, what should you do?-________________________Al frenar en los descensos, que debe hacer?
_____CorrectIncorrectHint
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Question 14 of 20
14. Question
A parking brake control in the cab allows the driver to?-________________________Un control de freno de estacionamiento en la cabina permite al conductor?
_____CorrectIncorrectHint
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Question 15 of 20
15. Question
Why is it that during long descents, experts recommend using a low gear and a light and constant pressure instead of braking again?-________________________Por que es que, durante los descensos largos, los expertos recomiendan usar una marcha baja y una presion ligera y constante en lugar de frenar nuevamente?
_____CorrectIncorrectHint
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Question 16 of 20
16. Question
The most common foundation brake is the -________________________El freno de cimentacion mas comun es el?
_____CorrectIncorrectHint
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Question 17 of 20
17. Question
The cut-out level and cut-in level for the air compressor governor are roughly what pressure, in pounds per square inch (PSI)?-________________________El nivel de corte para el gobernador del compresor de aire son aproximadamente que presion, en libras por pulgada cuadrada (PSI)?
_____CorrectIncorrectHint
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Question 18 of 20
18. Question
The air compressor should stop pumping at?-________________________El compresor de aire debe dejar de bombear a?
_____CorrectIncorrectHint
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Question 19 of 20
19. Question
Air brakes use-________________________Cual es el uso de los frenos de aire
_____CorrectIncorrectHint
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Question 20 of 20
20. Question
When you apply the brakes, the brake shoes or linnings are against the?-________________________Cuando se aplican los frenos, las zapatas de freno o los forros estan contra el?
_____CorrectIncorrectHint
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