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Practice test 5 of 10

Pennsylvania CDL — General Knowledge Practice Test 5

The Pennsylvania 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.If a first alcohol offense happens while you drive a CMV bearing hazardous materials placards, how long is the CDL loss?
  2. 2.If another vehicle is tailgating you, what is a safe way to reduce the risk of a crash?
  3. 3.Why should you never try to race a train to a railroad crossing?
  4. 4.At a railroad crossing with gates and flashing lights, when may you cross the tracks?
  5. 5.A white marking showing a fish with an 'X' drawn through it on a bulk package tells you the contents are what?
  6. 6.If you lose your brakes going downhill and an escape ramp is available, what should you do?
  7. 7.You need a tank endorsement to carry a liquid or gas in a permanently mounted cargo tank of at least what rated size?
  8. 8.What must you never do when leaving a commercial vehicle unattended?
  9. 9.Why must you always use wheel chocks when parking a trailer that has no spring brakes?
  10. 10.Which abilities does alcohol impair, affecting safe driving?

0 of 50 answered