2026 Free Arizona DMV CDL Double Test 1 (20 Questions And Complete Answers)
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If you realize you may be running late to your destination, you should:
1. Speed up.
2. Get upset.
3. Deal with it and drive at a safe speed.
1. Speed up.
2. Get upset.
3. Deal with it and drive at a safe speed.
Deal with it and drive at a safe speed.
What helps prevent wheel lockup when braking?
1. An Anti-Lock Braking System (ABS)
2. Air brakes
3. An alternator
1. An Anti-Lock Braking System (ABS)
2. Air brakes
3. An alternator
An Anti-Lock Braking System (ABS)
Alcohol evaporators are:
1. Illegal.
2. Used to add alcohol to braking systems to prevent items from freezing.
3. Only allowed on vehicles carrying hazardous materials.
1. Illegal.
2. Used to add alcohol to braking systems to prevent items from freezing.
3. Only allowed on vehicles carrying hazardous materials.
Used to add alcohol to braking systems to prevent items from freezing.
An exhaust system should be:
1. Loose.
2. Leaking.
3. Fastened securely.
1. Loose.
2. Leaking.
3. Fastened securely.
Fastened securely.
After completing a pre-trip inspection, you should ensure that the:
1. Service line valve is closed.
2. Trailer hand brake is applied.
3. Emergency line valve is open.
1. Service line valve is closed.
2. Trailer hand brake is applied.
3. Emergency line valve is open.
Service line valve is closed.
Skids caused by over-acceleration can usually be resolved by:
1. Removing your foot from the accelerator.
2. Braking.
3. Swerving to the right.
1. Removing your foot from the accelerator.
2. Braking.
3. Swerving to the right.
Removing your foot from the accelerator.
A driver who stops at a green light could be:
1. An impaired driver.
2. A driver who is color blind.
3. A person who does not know the rules of the road.
1. An impaired driver.
2. A driver who is color blind.
3. A person who does not know the rules of the road.
An impaired driver.
Mirror adjustment can only be checked properly if:
1. The trailer is straight.
2. There is no trailer.
3. The vehicle is on a slight incline.
1. The trailer is straight.
2. There is no trailer.
3. The vehicle is on a slight incline.
The trailer is straight.
Within 10 minutes of stopping on the side of the road, you must:
1. Place emergency warning devices.
2. Alert local law enforcement.
3. Call a mechanic.
1. Place emergency warning devices.
2. Alert local law enforcement.
3. Call a mechanic.
Place emergency warning devices.
When starting the engine of a truck with a trailer, you can tell that your vehicle's ABS is not working if:
1. The yellow light on the left rear of the trailer stays on.
2. The red light on the right side of the trailer flashes three times.
3. All the rear lights flash and then turn off.
1. The yellow light on the left rear of the trailer stays on.
2. The red light on the right side of the trailer flashes three times.
3. All the rear lights flash and then turn off.
The yellow light on the left rear of the trailer stays on.
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