Aha Trivia Stuff Everyone Should Know

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

Stuff Every Auto Shop Scout Should Know

Practice facts for the Automotive Maintenance merit badge. Not an official Scouting America credential.

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

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Free. It plays the first 50 cards; players subscribe at Aha Trivia for the rest. Every embed code

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Free to start, no sign-up. 66 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 66 cards and timed practice exams.

How many practice questions are there?

66 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 should you do before working under a car?
    Show the answer

    Make sure it is safely supported. A vehicle must be securely supported before you work beneath it, and a qualified adult should supervise.

  2. What does PPE stand for in vehicle repair?
    Show the answer

    Personal Protective Equipment. PPE means Personal Protective Equipment, such as gloves and eye protection, used to reduce exposure to hazards.

  3. Why should paint spray areas have good ventilation?
    Show the answer

    To reduce harmful exposure. Ventilation and respirators reduce exposure to paint spray, which can irritate skin, eyes, and lungs.

All 66 practice questions

The first 50 are free, with the answer, why it's right and the official sources. The other 16 (🔒) open with a membership (every test). Or play them as a game and track what you've learned.

Show all 66 questions
  1. What should you do before working under a car?
  2. What does PPE stand for in vehicle repair?
  3. Why should paint spray areas have good ventilation?
  4. What can reduce dust from sanding?
  5. What is the first step in a shop's repair process?
  6. Who approves proposed repair work?
  7. What does an A tech typically handle?
  8. What does OEM stand for?
  9. Who must be certified to service car AC for pay?
  10. What does an auto body technician repair?
  11. What is a lube tech's main focus?
  12. Why is auto work physically demanding?
  13. Who typically provides a mechanic's tools?
  14. What is basic vehicle maintenance for many mechanics?
  15. What does a heavy line mechanic do?
  16. Why do mechanics need to study continuously?
  17. What does an auto body technician sometimes do besides bodywork?
  18. What kind of injuries are most frequent for mechanics?
  19. What does a service advisor do with inspection findings?
  20. What does a general repair professional sometimes lack?
  21. Why might a shop outsource complex repairs?
  22. What does the fuel gauge on the dashboard show?
  23. What does a tachometer measure?
  24. What does the engine temperature gauge monitor?
  25. What does the oil pressure gauge tell a driver?
  26. What is the difference between yellow and red dashboard symbols?
  27. What can the driver information center display?
  28. Where can you find the vehicle manufacturer's tire specifications?
  29. What does the lateral wear bar inside a tire tread show?
  30. Why is wheel alignment important for tire life?
  31. How should old tires be handled?
  32. What should you check on the spare tire?
  33. What is the purpose of engine oil?
  34. What does the SAE number on oil describe?
  35. Where do you find the recommended oil type for your engine?
  36. Why does the cooling system need coolant?
  37. Why must you use the correct coolant type?
  38. Why does the air and fuel system need an air filter?
  39. What does a fuel filter do?
  40. What does a fuel injection system do?
  41. What does the spark gap on a spark plug do?
  42. What does the engine's firing order describe?
  43. When jump starting, where should the black cable's second end go?
  44. In what order should jumper cables be removed?
  45. What should you do with the two cars before connecting jumper cables?
  46. What factors can affect the range of an electrified vehicle?
  47. What is the difference between automatic and standard transmissions?
  48. What is the difference between front-wheel and rear-wheel drive?
  49. What does an antilock brake system help prevent?
  50. What is a key difference between disc and drum brakes?
  51. What should you do after checking a vehicle's brake system? 🔒
  52. What is the purpose of safety belts? 🔒
  53. What is a limitation of safety belts and airbags? 🔒
  54. Why is vehicle registration important? 🔒
  55. What does the owner's manual maintenance chart show? 🔒
  56. What safety consideration applies to high-voltage electrical systems? 🔒
  57. Why should you use safety equipment and clothing when repairing a vehicle? 🔒
  58. What should you do if you are unsure about a repair hazard? 🔒
  59. What does the speedometer show? 🔒
  60. What does the API service code on oil indicate? 🔒
  61. What is one way to check a vehicle's lights? 🔒
  62. What should you locate before replacing a fuse? 🔒
  63. What should you check on belts and hoses? 🔒
  64. What should you check on the air filter? 🔒
  65. What does the owner's manual help you do with dashboard indicators? 🔒
  66. What should you do before checking under the hood of a hot engine? 🔒