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Florida CDL — General Knowledge Practice Test 1

The Florida CDL — General Knowledge knowledge test has ~50 questions; you need ~40 correct (80%) to pass.

This practice test follows that format: 50 questions, pass with 40 correct. Answer every page, then grade it to see the answers and explanations.

Questions 1–10 of 50

  1. 1.What do antilock braking systems (ABS) help a driver do?
  2. 2.Which action would violate the federal handheld-phone rule for a commercial driver?
  3. 3.What is the most important reason for doing a pre-trip inspection of a commercial vehicle?
  4. 4.The signals at a gated crossing begin flashing as you approach. When may you drive across?
  5. 5.A round yellow sign with a black 'X' and the letters 'RR' means:
    Yellow round road sign
  6. 6.A roadside inspector places your vehicle 'out of service.' What does that mean?
  7. 7.After loading, a driver is responsible for re-checking the cargo's securement again within the first:
  8. 8.You have to stop your commercial vehicle on the shoulder of a highway. What should you do?
  9. 9.Dispatch assigns you a trailer load that has to be placarded. What do the rules require of you?
  10. 10.On a manual-transmission truck, how do experienced drivers know when to shift gears?

0 of 50 answered