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Key Concepts in Automotive Systems and Safety Regulations

This comprehensive guide covers essential automotive concepts, including heat measurement, refrigerant behavior, and safety regulations in automotive shops. Key components such as condensers, compressors, thermostatic expansion valves, and cooling fans are explored, alongside safety practices mandated by OSHA. This resource also highlights the importance of managing hazardous materials and proper shop ventilation, as well as everyday tools like dipsticks and work orders. Equip yourself with knowledge on vehicle systems and safety protocols for a better understanding of automotive mechanics.

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Key Concepts in Automotive Systems and Safety Regulations

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  1. Jeopardy Automotive Edition

  2. Heat quantity is measured in this .

  3. British thermal unit (BTU) .

  4. The refrigerant changes from a vapor to a liquid in this component .

  5. Condenser .

  6. The storage tank for R-134A is this color .

  7. Blue/light blue .

  8. This valve opens and closes to meter a small amount of refrigerant into the evaporator .

  9. Thermostatic expansion valve (TXV)

  10. The refrigerant enters this component as a low pressure vapor and exits as a high pressure vapor .

  11. Compressor .

  12. This agency was created in 1971 to deal with hazards in the workplace .

  13. OSHA .

  14. A pneumatic tool is powered by what .

  15. Compressed air .

  16. The majority of injuries in an automotive shop are caused by what .

  17. Slips/falls .

  18. All flammable and combustible chemicals should be stored in this .

  19. Fire resistant cabinet .

  20. Shops must be properly ventilated because exhaust gas contains this poisonous material .

  21. Carbon monoxide .

  22. This is a 50/50 mixture of water and anti-freeze .

  23. Coolant .

  24. These components are designed to move air through the radiator .

  25. Cooling fans .

  26. This component is the primary heat transfer device for the engine

  27. radiator .

  28. This part controls the flow of coolant between the engine and radiator

  29. thermostat .

  30. This part maintains a specified pressure in the cooling system .

  31. Pressure/radiator cap .

  32. This design engine has 4 cylinders side by side .

  33. Inline 4 .

  34. This person in the shop is responsible for the day to day operations of the shop .

  35. Service manager .

  36. This is what is used to document customer/vehicle information .

  37. Work/repair order .

  38. This is what is used to check the oil level of the engine .

  39. Dipstick .

  40. Daily Double .

  41. This system helps reduce the vehicle’s speed by using friction .

  42. Braking system .

  43. This type of system has one injector per bank of cylinders .

  44. Throttle body injection (TBI) .

  45. This type of MFI system pulses the injectors in separate sets .

  46. Banked multiport fuel injection .

  47. This test evaluates the injector’s ability to deliver a uniform amount of fuel .

  48. Injector balance test .

  49. Some vehicle are equipped with this mode when cranking engine at wide open throttle .

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