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Florida CDL Practice Test: Class A - Test 5 2019

(From the 2019 Florida CDL Handbook)
Number of tests: 5
Number of questions: 30
Passing score: 80

Directions: When applying for this license, applicants must pass a 50-question test. And applicants must score 80% to pass the test. The following questions are based on the details provided in the Florida Commercial Driver Handbook. Endorsements that may be used with a Class A CDL include Hazardous Materials, Passenger, Double and Triples, HazMat and Tanker, Air Brakes and School bus. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Florida DMV locations.

You have made 2 errors so far.
1. If you take a curve too fast, two things may happen. One is that the tires may keep their traction and the vehicle may roll over. What is the other possibility?
  • 15 to 30 Seconds

  • I never stop for school buses.

  • 10 to 15 seconds

  • 20 to 25 seconds

2. If the air compressor does not have its own oil supply, how is it lubricated?
  • Sound your horn.

  • Turn on your four-way flasher.

  • Look for traffic by using your inside rear-view mirror.

  • Look for traffic by turning your head.

3. Why should you never leave your vehicle unattended without applying the parking brakes?
  • Route H highway sign.

  • General service sign for a highway.

  • General service sign for a hotel.

  • General service sign for a hospital.

4. The ABS only activates when ______.
  • Not cross the center line

  • Use the shoulder

  • Flash your lights to oncoming traffic

  • Use that lane that belongs to oncoming traffic

5. Why should you not use the trailer hand valve while driving?
  • They are properly secured

  • The sides of the truck bed are at least 18 inches high

  • The tailgate of the truck is closed

  • All of the above

6. Failing to slow down and check that the tracks are clear of an approaching train can result in you losing your CDL for at least _____ for your first violation.
  • Stop directly behind the bus

  • Speed up and pass

  • Slow down to 10 mph

  • Stop at least 25 feet away