2026 Free Arizona DMV CDL Tank Test 1 (20 Questions And Complete Answers)
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When an engine is running, an acceptable oil pressure would be:
1. 10 psi.
2. 50 psi.
3. 110 psi.
1. 10 psi.
2. 50 psi.
3. 110 psi.
50 psi.
Operating combination vehicles usually requires ____ operating single vehicles.
1. Less skill than
2. About the same level of skill as
3. More skill than
1. Less skill than
2. About the same level of skill as
3. More skill than
More skill than
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.
If you must leave the roadway and drive on the shoulder in an emergency situation, you should:
1. Brake as hard as possible.
2. Get both sets of wheels onto the shoulder.
3. Stay on the shoulder until your vehicle has stopped, if possible.
1. Brake as hard as possible.
2. Get both sets of wheels onto the shoulder.
3. Stay on the shoulder until your vehicle has stopped, if possible.
Stay on the shoulder until your vehicle has stopped, if possible.
How should you brake if your vehicle's ABS is not working?
1. Brake normally, as you will still have functioning brakes.
2. Pump the brake repeatedly.
3. Press the brake pedal down as hard as you can.
1. Brake normally, as you will still have functioning brakes.
2. Pump the brake repeatedly.
3. Press the brake pedal down as hard as you can.
Brake normally, as you will still have functioning brakes.
Wheel rims that have been welded should:
1. Be painted.
2. Be placed on tires in the rear of the vehicle.
3. Not be used.
1. Be painted.
2. Be placed on tires in the rear of the vehicle.
3. Not be used.
Not be used.
Anti-Lock Braking Systems (ABS):
1. Are not used on trucks.
2. Are only used on tucks carrying hazardous materials.
3. Allow drivers to stay in control when braking.
1. Are not used on trucks.
2. Are only used on tucks carrying hazardous materials.
3. Allow drivers to stay in control when braking.
Allow drivers to stay in control when braking.
An indicator that cargo contains hazardous materials is:
1. The cargo is stored in cylinder tanks.
2. The cargo is picked up from a supermarket.
3. The cargo is packaged in cardboard boxes.
1. The cargo is stored in cylinder tanks.
2. The cargo is picked up from a supermarket.
3. The cargo is packaged in cardboard boxes.
The cargo is stored in cylinder tanks.
In very hot weather, tires should be checked regularly because:
1. They may melt.
2. Air pressure may increase with the temperature.
3. The tread wears down more quickly than in cooler weather.
1. They may melt.
2. Air pressure may increase with the temperature.
3. The tread wears down more quickly than in cooler weather.
Air pressure may increase with the temperature.
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