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Practice test 8 of 10

North Carolina CDL — General Knowledge Practice Test 8

The North Carolina 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.When you flash your brake lights to warn of trouble ahead, why is this especially important in a large vehicle?
  2. 2.About how far ahead can you see using your low-beam headlights at night?
  3. 3.Which statement about fatigue is correct?
  4. 4.What is 'controlled braking' in an emergency stop?
  5. 5.How does alcohol affect a driver's abilities?
  6. 6.Why should you never shift gears while crossing railroad tracks?
  7. 7.On an air-brake vehicle, how long should it take for pressure to climb from 50 up to 90 psi?
  8. 8.What shape and minimum size must a hazardous-materials placard be?
  9. 9.A tank vehicle endorsement is required for a tank with an individual rated capacity greater than how many gallons?
  10. 10.When approaching an off-ramp or on-ramp, why should you be cautious about the posted speed?

0 of 50 answered