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Florida CDL Permit Test - Double

Number of questions: 20
Passing score: 16
Directions: This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Florida CDL Handbook. Questions come from chapters covering: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
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Passing grade —
4 or fewer errors
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1.
How should you check your hydraulic brakes?
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should not move.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should slowly move toward the floor.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should slowly rise.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should be easy to push to the floor.
2.
A Class 1 hazardous material is:
An explosive.
Radioactive.
Corrosive.
3.
The service brake system:
Applies and releases the brakes when you press the brake pedal while driving normally.
Applies and releases the parking brakes.
Applies and releases the emergency brake.
Applies and releases the axle brake.
4.
What is the number one cause of death and injury in work zones?
Speeding drivers
Careless behavior by construction workers
Drivers driving too slowly
Equipment placed in the roadway
5.
If your brakes fail while you are traveling downhill and there is no available escape ramp, you should:
Keep pumping the brakes.
Turn the vehicle off.
Drive into an open field.
6.
When driving in heavy traffic, you should:
Use hands-free cellular devices.
Use your cell phone for texting instead of calling.
Not use your cell phone.
Turn up the ringer on your cell phone.
7.
While driving, if it is discovered a vehicle's ABS is not working, the driver should:
Put on their hazard lights.
Downshift.
Brake normally.
Use their parking brake to stop.
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