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Practice test 4 of 10

Kansas CDL — General Knowledge Practice Test 4

The Kansas 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.Why must a trailer's landing gear be fully raised with its crank handle secured before travel?
  2. 2.Can a single four-digit hazardous materials identification number stand for more than one chemical on shipping papers?
  3. 3.Why should you find out where retarder use is permitted before relying on one?
  4. 4.What is the job of the stop arm on a school bus?
  5. 5.According to the manual, what are the two main reasons hydraulic brakes fail?
  6. 6.Research cited in the manual says talking on a cell phone, even hands-free, takes away about what share of the brain's energy normally devoted to safe driving?
  7. 7.In a combination vehicle, which rear lights do you inspect during the lights operations check?
  8. 8.Two drivers of the same weight each have two beers. One drinks them in 30 minutes; the other spreads them over three hours. Who likely has the higher BAC afterward?
  9. 9.In winter, why must the winterfront not be closed too tightly?
  10. 10.A CDL holder was convicted years ago of a CMV alcohol offense. Now the same driver is convicted of an alcohol violation in a personal car. What happens to the CDL?

0 of 50 answered