Safe DrivingPregunta 39 de 120
How often should you check your mirrors while driving?
a.Regularly, about every 5 to 8 seconds, and before any lane change, turn, or speed change
b.Only when changing lanes
c.Once every mile
d.Only when another vehicle sounds its horn
Explicación
Frequent scanning every few seconds keeps you aware of traffic entering your blind spots and of your own vehicle and cargo. Checking only at lane changes, at fixed mileage, or after a horn means you learn about hazards too late.
Practica las 120 preguntas gratis — sin registro.
Preguntas relacionadas de este tema
- You are starting down a long, steep grade in a loaded truck. What is the correct braking technique?
- Which factors determine the safe speed for descending a mountain grade?
- How far ahead should a commercial driver normally be looking while driving?
- Where are the largest blind spots on a tractor-trailer?
- You are driving at night on an unlit two-lane road. Why should you keep your speed low enough to stop within the distance your headlights illuminate?
- You run into dense fog on the highway. What is the best course of action?
Última revisión: · proceso editorial
Equipo Editorial de PrepPass · Verificado con Commercial Driver's License (CDL) General Knowledge Test · Cómo revisamos