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Practice test 9 of 10

Massachusetts CDL — General Knowledge Practice Test 9

The Massachusetts 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 happens if you are found operating a CMV with a detectable amount of alcohol below .04%?
  2. 2.In an emergency, when is steering around an obstacle often a better choice than stopping?
  3. 3.How long will you lose your CDL for a first alcohol offense while driving a CMV placarded for hazardous materials?
  4. 4.Before leaving your vehicle, what should you always do with the parking brake?
  5. 5.How should you warn drivers behind you that you are about to slow down?
  6. 6.On a wet road, about how much should you reduce your speed compared with dry pavement?
  7. 7.Why should you assume a pedestrian or another driver does not see you when you are about to pass?
  8. 8.What do front-end header boards, or "headache racks," protect the driver from?
  9. 9.A tanker being hauled must display a Class 3 (Flammable) placard when it is carrying which product?
  10. 10.In a front-wheel skid, what is the only way to stop the skid?

0 of 50 answered