. American engineer and railroad journal . our per square foot of grate. .. 16. Pounds of combustible for test 5792. 5921. 5856. 5635. 17. Percentage of fixed carbon in coal, dry and free from ash. 56. 57. -)7. 57. iS. Approximate number of B. T. U. perpoundofcombustible. 13800. 14040. 14040. 14040. 19. Approximate number of B. T. U. per pound of dry coal. , 130CO. 13000. 13000. 20. Theoretical evaporation from and at 212per pound of dry coal 13 46 13 46 Ash. 21. Pounds of dry ash in ash-pan for test 446. 396. 297. 104. 22. Pounds of ash in coal fired as shown by ana
. American engineer and railroad journal . our per square foot of grate. .. 16. Pounds of combustible for test 5792. 5921. 5856. 5635. 17. Percentage of fixed carbon in coal, dry and free from ash. 56. 57. -)7. 57. iS. Approximate number of B. T. U. perpoundofcombustible. 13800. 14040. 14040. 14040. 19. Approximate number of B. T. U. per pound of dry coal. , 130CO. 13000. 13000. 20. Theoretical evaporation from and at 212per pound of dry coal 13 46 13 46 Ash. 21. Pounds of dry ash in ash-pan for test 446. 396. 297. 104. 22. Pounds of ash in coal fired as shown by analysis of coal . 445- 361. 497. 3S0. 23. Pounds of ash by analysis. minus pounds found in ash-pan — I. —35- 200. 216. Analysis of Sparks.* 24. Per cent, of fixed carbon S Per cent, volatile matter 26. Per cent, combined ..S2 27. Per cent, ash Sparks. 28. Pounds caught in front-end 566. 75- 213. 494. 29. Pounds passing out of stack for test 294. 35S. 273. Fig. 8. Test Number 30. Total pounds of sparks for test 31. Pounds of spares per square] foot of grate ])er hour 32. Pounds of combustible in sparks for test 33. Percentage ot fixed carbon in sparks dry and free from ash. 34. Approximate B. T. TJ. per pound of sparks 35. Pounds of coal equivalent in heating value to one poundof sparks 36. Pounds of coal equivalent in heating value to total weightof sparks for test Analysis of Snioke-Box Cases, 37. Per cent, carbon dioxide 38. Percent, heavy hydro-carbons., 39. Per cent, oxygen 40. Per cent, carbon monoxide 41. Per cent, nitrogen .. .. Oilier Smoke-Box Data. 42. Diameter of Double Exhaust tip. 43. Draft in inches of 44. Temperature of sinoke-tx).x degrees F Water ami Steam 45. Pounds of water delivered to boiler ... 46. Temperature of teed, degrees F 47. Boiler pressure, by 48. Quality ot steam in dome. Evaporation. 49. Pounds of water evaporated per pound 01 dry coal . 50. Eq
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