AIRF 1130 - Engines

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Across
  1. 2. When is mineral oil used in the engine? (2 words)
  2. 5. The piston is at BDC prior to the ______ stroke
  3. 6. Oil system which holds oil in a pan
  4. 8. The part of Q? that touches the cam lobe
  5. 12. # of cylinders on a 540
  6. 15. # of cylinders on single row radials (common)
  7. 18. Why do valves utilize two springs?
  8. 19. AE on engine data plate
  9. 20. The slight taper at the top of a cylinder head is called _____
  10. 21. T on engine data plate
  11. 23. The intake valve is closed on the _____ stroke
  12. 24. The cam shaft turns at ______ the speed of the crankshaft
Down
  1. 1. Both intake and exhaust valves are open to allow the smooth out-flow and in-flow of gases
  2. 3. Oil system which holds oil in an external tank
  3. 4. Where 2-stroke engines store the fuel/air mixture prior to intake stroke
  4. 7. # of cylinders on a 320
  5. 9. Part joining piston to crankshaft (2 words)
  6. 10. The cam lobe contacts the _____
  7. 11. The piston is fully extended on the _____ stroke
  8. 13. R on engine data plate
  9. 14. A 2-stroke engine will use _____, not valves
  10. 16. The rockarm is actuated by the _____ (2 words)
  11. 17. Most aircraft engine cylinder walls are made from this type of metal (2 words)
  12. 22. Both valves are closed on this stroke