Arizona examen de CDL — Práctica Gratis
60 preguntas de práctica del examen de CDL de Arizona, formato de opción múltiple con respuestas y explicaciones.
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Preguntas de muestra
1. What must a commercial driver do before operating a CMV on a trip?
- A pre-trip inspection ✓
- A tire rotation
- A fuel check only
- Nothing if the vehicle looks fine
Explicación: A pre-trip inspection is required before operating — check all safety systems. [FMCSA CDL Manual: Pre-trip]
2. For a commercial vehicle over 40 feet in good conditions, the minimum following distance is:
- One second
- Two seconds
- At least three seconds ✓
- Five seconds
Explicación: Use at least three seconds for vehicles over 40 feet; add a second in adverse conditions. [FMCSA CDL Manual: Speed]
3. If the low air pressure warning activates while you are driving, you should:
- Stop safely as soon as possible ✓
- Continue to the next stop
- Speed up
- Ignore it
Explicación: A low-pressure warning signals system failure — stop safely and check. [FMCSA CDL Manual: Air Brakes]
4. The purpose of cargo securement is to ensure the load:
- Cannot shift or fall during transport ✓
- Is visible
- Is easy to load
- Adds weight
Explicación: Cargo must be secured so it cannot shift or fall — shifting loads cause loss of control. [FMCSA CDL Manual: Cargo]
5. How often should a commercial driver check the mirrors?
- Regularly and before any maneuver ✓
- Only when changing lanes
- Never
- Once per trip
Explicación: Check mirrors regularly and before every maneuver. [FMCSA CDL Manual: Driving]