Aha Trivia Stuff Everyone Should Know

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Stuff Every Truck Scout Should Know: free practice in 30-second cards

Stuff Every Truck Scout Should Know

Practice facts for the Truck Transportation merit badge. Not an official Scouting America credential.

Start Stuff Every Truck Scout Should Know ⚡ Today's sprint 🎙️ Voice mode

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Free to start, no sign-up. 55 cards so far. One Knowledge Score and day streak across all your courses.

Questions people ask

Is this practice test free?

Yes. The first 50 cards are free for everyone with no sign-up, each with the answer, why it is right and its sources. Aha Trivia members get all 55 cards and timed practice exams.

How many practice questions are there?

55 practice questions so far. Each one is a 3-choice card that takes about 30 seconds, and the course grows as new cards pass our source checks.

Where do the answers come from?

Every card lists the sources it was checked against, and each answer explains why it is right. If you think an answer is wrong, tap "Challenge this answer" in the game and it gets reviewed.

Can I study in the car?

Yes. Voice mode reads the questions out loud and you answer by voice.

Try 3 cards

  1. What is the British English word for a truck?
    Show the answer

    Lorry. In British English, a truck is commonly called a lorry.

  2. What does a semi-tractor use to tow a semi-trailer?
    Show the answer

    A fifth wheel. Semi-tractors have a fifth wheel hitch for towing semi-trailers.

  3. Which type of truck has a rotating drum to mix concrete?
    Show the answer

    Concrete mixer. Concrete mixers have a rotating drum that mixes and discharges concrete.

All 55 practice questions

The first 50 are free, with the answer, why it's right and the official sources. The other 5 (🔒) open with a membership (every test). Or play them as a game and track what you've learned.

Show all 55 questions
  1. What is the British English word for a truck?
  2. What does a semi-tractor use to tow a semi-trailer?
  3. Which type of truck has a rotating drum to mix concrete?
  4. What is the purpose of a truck's sleeper cab?
  5. Which type of cab is common in Europe because of length regulations?
  6. What does a refrigerator truck transport?
  7. What is the main purpose of a dump truck?
  8. What is a common use for a flatbed truck?
  9. Which truck is designed to recover disabled vehicles?
  10. What does a tank truck typically carry?
  11. Which type of truck body is fully enclosed with walls and a roof?
  12. What is a chassis cab truck suitable for?
  13. What is the main function of a refuse truck?
  14. What is one way trucks reduce air pollution inside the cab?
  15. What is a blind-spot mirror used for on trucks?
  16. What is the purpose of a truck's governor on mini-trucks in the US?
  17. What is a common use for light trucks?
  18. What is a medium truck often used for?
  19. What is a heavy truck often used for?
  20. What is an off-road truck often equipped with?
  21. What is the purpose of a truck's ladder frame?
  22. What is a common transmission type for heavy trucks in North America?
  23. What is double-clutching used for in trucks without synchronizers?
  24. What is a common alternative fuel for refuse trucks in the US?
  25. What does a truck's cab protect the driver from?
  26. What should a cab's filtration system remove from intake air?
  27. Why is good enclosure integrity important in a truck cab?
  28. What does a truck's HVAC system primarily provide for occupants?
  29. Why do commercial trucks pay higher road use taxes?
  30. How does axle weight affect pavement life?
  31. What does a 90 km/h in-vehicle speed limiter apply to in the EU?
  32. Why are warning signs placed on the backs of some heavy goods vehicles?
  33. What does the US federal government regulate for truck drivers?
  34. What is the US rest period after 11 hours of driving?
  35. What is the maximum on-duty cycle in the US over 8 days?
  36. What does a 34 hour restart do for a US truck driver?
  37. What instrument may be fitted to track a driver's hours?
  38. What license is required in the US for commercial vehicles weighing 26,001 lb or more?
  39. What does the US Federal Bridge Law relate to?
  40. Who sets maximum vehicle weight limits on state and local roads in the US?
  41. Which US state has a gross vehicle weight limit of 164,000 lb?
  42. What is a common cab configuration in North America?
  43. What is a cab-over-engine truck also called?
  44. Where is the driver seated in a cab-over-engine truck?
  45. What is a cab-under design meant to maximize?
  46. What is a truck's frame often called because of its shape?
  47. What are the holes in truck frame rails used for?
  48. What is a truck frame usually made of?
  49. What is a box truck's rear used for?
  50. What does a flatbed truck lack that a box truck has?
  51. What does a dump truck's bed do to unload material? 🔒
  52. Why do refuse trucks often use a cab-over design in North America? 🔒
  53. What does a tank truck usually have on its chassis? 🔒
  54. What equipment do wreckers often have for towing? 🔒
  55. What weight range defines medium trucks in the US? 🔒