2026 Florida DMV Air Brakes Class A Test 2 (25 Questions And Complete Answers)
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If the air pressure warning light comes on, you should:
1. Continue driving normally.
2. Activate your hazard lights and continue driving.
3. Call the local law enforcement agency.
4. Safely exit the roadway and stop.
1. Continue driving normally.
2. Activate your hazard lights and continue driving.
3. Call the local law enforcement agency.
4. Safely exit the roadway and stop.
Safely exit the roadway and stop.
If the spring brakes are activated, you should never:
1. Push down the brake pedal.
2. Open the hood.
3. Release air from the air storage tanks.
4. Open the door to the cab.
1. Push down the brake pedal.
2. Open the hood.
3. Release air from the air storage tanks.
4. Open the door to the cab.
Push down the brake pedal.
Most heavy-duty vehicles use:
1. Single air brake systems.
2. Dual air brake systems.
3. Triple air brake systems.
4. Quadruple air brake systems.
1. Single air brake systems.
2. Dual air brake systems.
3. Triple air brake systems.
4. Quadruple air brake systems.
Dual air brake systems.
A low air pressure warning signal should activate:
1. When tank pressure falls below 120 psi.
2. When tank pressure falls below 60 psi.
3. When tank pressure falls below 5 psi.
4. When tank pressure falls below 10 psi.
1. When tank pressure falls below 120 psi.
2. When tank pressure falls below 60 psi.
3. When tank pressure falls below 5 psi.
4. When tank pressure falls below 10 psi.
When tank pressure falls below 60 psi.
Emergency brakes:
1. Are not required on trucks.
2. Are only required on trailers.
3. Are required on tractors.
4. Are optional.
1. Are not required on trucks.
2. Are only required on trailers.
3. Are required on tractors.
4. Are optional.
Are required on tractors.
If using air tanks with manually operated drains, how often should you drain the tanks?'
1. Every day
2. Once a week
3. Once a month
4. Once every 3,000 miles
1. Every day
2. Once a week
3. Once a month
4. Once every 3,000 miles
Every day
During an applied leakage test, the maximum leakage rate for a double combination vehicle is:
1. 10 psi in a minute.
2. 8 psi in a minute.
3. 6 psi in a minute.
4. 4 psi in a minute.
1. 10 psi in a minute.
2. 8 psi in a minute.
3. 6 psi in a minute.
4. 4 psi in a minute.
4 psi in a minute.
The air pressure in a dual air brake system should build from 85 to 100 psi within:
1. Two minutes.
2. 15 seconds.
3. 10 minutes.
4. 45 seconds.
1. Two minutes.
2. 15 seconds.
3. 10 minutes.
4. 45 seconds.
45 seconds.
The service brake system:
1. Applies and releases the brakes when you press the brake pedal while driving normally.
2. Applies and releases the parking brakes.
3. Applies and releases the emergency brake.
4. Applies and releases the axle brake.
1. Applies and releases the brakes when you press the brake pedal while driving normally.
2. Applies and releases the parking brakes.
3. Applies and releases the emergency brake.
4. Applies and releases the axle brake.
Applies and releases the brakes when you press the brake pedal while driving normally.
Air tank drains:
1. Allow rain water to enter the tank.
2. Are used to drain water and compressor oil from the air tank.
3. Should never be opened.
4. Must remain open during transit.
1. Allow rain water to enter the tank.
2. Are used to drain water and compressor oil from the air tank.
3. Should never be opened.
4. Must remain open during transit.
Are used to drain water and compressor oil from the air tank.
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