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Practice test 4 of 10

Delaware CDL — General Knowledge Practice Test 4

The Delaware 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.You drive a dry van that is not required to stop at every railroad crossing. To avoid a grade-crossing violation, what must you still do as you approach one?
  2. 2.According to Delaware's manual, what does being detained during a traffic stop mean?
  3. 3.A driver cannot meet the federal physical qualifications in 49 CFR 391.41. Delaware may still grant an intrastate-only restricted CDL medical waiver, but that waiver excludes which kinds of driving?
  4. 4.Why must you never remove the radiator cap until the cooling system has cooled?
  5. 5.Near a railroad crossing, an 'X' with the letters 'RR' is painted on the pavement. Its meaning is the same as which sign?
  6. 6.Why should you learn the cargo-covering laws of each state you drive in?
  7. 7.An oncoming vehicle's headlights are glaring at night. Which pavement marking does the manual suggest you look toward?
  8. 8.What does the manual name as the most frequent cause of trucks and buses running into the vehicle ahead?
  9. 9.In which emergency braking method do you brake as hard as possible while keeping the wheels from locking and steering only slightly?
  10. 10.Delaware's manual lists situations in which a vehicle may be searched on-scene. Which of these is one of them?

0 of 50 answered