Signals 1

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Across
  1. 5. The long name for a SFE (Three Words)
  2. 6. The long name for a FPL (Three Words)
  3. 8. The long name for RX (One Word)
  4. 10. The lowest permitted setting of a TO in ohms
  5. 11. A train movement where the train axles contact the tips of the points first
  6. 15. The long name for BCPR (Four Words)
  7. 18. These rollers assist the rails when moving (Foreign Word)
  8. 20. Picks up when a train is on it
  9. 22. Used stop trains that overrun or pass through safety points in the normal position (Two Words)
  10. 24. You get the sum of the voltages if in __________
  11. 26. How many wheels do you have?
  12. 27. Invented the first closed track circuit way back when we were running steam trains and a good friend of Kens
  13. 28. The rail on a set of points that does not move (Two Words)
  14. 30. The one with the diode at the end of the track
  15. 32. Slightly higher resistance than a short
  16. 34. A train movement where the trains axles contact the heel of the points first
  17. 36. The planed rail on a set of points that does move (Two Words)
  18. 37. You end up at the beach when these points are not Reverse (Two Words)
  19. 38. The long name for a SOT (Three Words)
Down
  1. 1. Allows current to pass in one direction, but not the other
  2. 2. Only has IJ’s cut into one running rail (Two Words)
  3. 3. The proper long name for TT (Three Words)
  4. 4. The long name for HAB (Three Words)
  5. 7. The long name for LCA (Three Words)
  6. 9. Sounds like you can use this on top of a normal track circuit (Three Letter Abbreviation)
  7. 12. The value of resistance applied to the Relay End, required to open all front contacts and make the back ones (Three Words)
  8. 13. Four diodes that convert AC to DC (Two Words)
  9. 14. The proper long name for a TR (Three Words)
  10. 16. When not used for a while, this can build up and make trains disappear (Two Words)
  11. 17. Nearly zero ohm resistance
  12. 19. Track ________ Hint; Dropping the track circuit to prove it’s safe
  13. 20. De-rails train when these are in the Normal Position (Two Words)
  14. 21. The long name for a TCI (Three Words)
  15. 23. The technical term for nothing….
  16. 25. The value of resistance, starting from zero, applied to the Relay End, required to make the front contacts (Two Words)
  17. 29. Keeps track circuit current on the tack where you want it (Two Words)
  18. 31. O is the signalling alphabet of this component
  19. 32. The track is kept to gauge with these, and can describe a Signal Technicians normal state on Night shift..
  20. 33. Allows traction current to pass though it, but offers high impedance to track circuit currents (Two Words)
  21. 35. Starts off wavy then goes flat