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Single air brake systems.
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Dual air brake systems.
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Triple air brake systems.
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Quadruple air brake systems.
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Florida CDL Permit Test - Air Brakes
(From the 2020 Florida CDL driver handbook)
| Number of questions: | 25 |
| Passing score: | 20 |
Directions:
This endorsement is required for driving a vehicle with air brakes. To receive this endorsement, applicants must pass a test. The test consists of 25 multiple choice questions. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the Florida CDL Handbook. Questions come from chapters covering: Air Brakes. The Air Brakes endorsement may be used with the Class A, B or C CDL.
Passing grade —
5 or fewer errors
advertising
1.
Most heavy-duty vehicles use:
2.
A low air pressure warning signal should activate:
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When tank pressure falls below 120 psi.
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When tank pressure falls below 60 psi.
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When tank pressure falls below 10 psi.
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When tank pressure falls below 5 psi.
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3.
If the spring brakes are activated, you should never:
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Push down the brake pedal.
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Open the hood.
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Release air from the air storage tanks.
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Open the door to the cab.
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4.
Emergency brakes:
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Are not required on trucks.
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Are only required on trailers.
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Are required on tractors.
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Are optional.
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5.
If using air tanks with manually operated drains, how often should you drain the tanks?
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Every day
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Once a week
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Once a month
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Once every 3,000 miles
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6.
If the air pressure warning light comes on, you should:
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Continue driving normally.
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Activate your hazard lights and continue driving.
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Call the local law enforcement agency.
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Safely exit the roadway and stop.
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