Table 2

TABLE 2 Data and Results of Evaporative Test Arranged In accordance with the short form advised by the Boiler Test Committee of the American Society of Mechanical Engineers. Code of Made by on boiler, at To determine Kind of fuel Kind of furnace... Method of starting and stopping the test (Standard or Alternate, Arts. X and XI, Code) Grate surface. sq ft.

Water-heating surface .

Superheating surface " Total Quantifies 1. Date of Trial 2. Duration of Trial hours 3. Weight of coal as fired lbs.

4. Percentage of moisture in coal per cent 5. Total weight of dry coal consumed lbs.

6. Total ash and refuse 7. Percentage of ash and refuse in dry coal per cent 8. Total weight of water fed to boiler lbs.

9. Water actually evaporated, corrected for moisture or superheat in steam. " 10. Equivalent water evaporated into dry steam from and at 212°F " Hourly Quantities 11. Dry coal consumed per hour lbs.

12. Dry coal per square foot of grate surface per hour " 13. Water evaporated per hour corrected for quality of steam " 14. Equivalent evaporation per hour from and at 212° . " 15. Equivalent evaporation per hour from and at. 212° F. per square foot of water-heating surface " Average Pressures, Temperatures, Etc 16. Steam pressure by gauge lbs. per sq. in.

17. Temperature of feed-water entering boiler degrees 18. Temperature of escaping gases from boiler 19. Force of draught between damper and boiler... ins. of water 20. Percentage of moisture in steam, or number or degrees of superheating per cent or degrees Horse-Power 21. Horse-power developed (item 14 ÷ 34-1/2) H. P.

22. Builder's rated horse-power 23. Percentage of builder's rated horse-power developed per cent.

Economic Results 24. Water apparently evaporated under actual conditions per pound of coal as fired (item 8 item 3) lbs. 25. Equivalent evaporation from and at 212' F. per pound of coal as fired (item 10 item 3) 26. Equivalent evaporation from and at 212° F. per pound of dry coal (item 10 item 5) 27. Equivalent evaporation from and at 212° F. per pound of combustible [item 10 (item 5 — item 6)] '` If items 25. 26. and 27 are not corrected for quality of steam, the fact should he stated.

Efficiency 28. Calorific value of the dry coal per pound B IT.

29. Calorific value of the combustible per pound .30. Efficiency of boiler (based on combustible) per cent.

31. Efficiency of boiler, including grate (based on dry coal) " Cost of Evaporation 32. Cost of coal per ton of -- lbs. delivered in boiler-room S 33. Cost of coal required for evaporating 1.000 lbs. of Water from and at 212° F.

A log of the test should be kept on properly prepared blanks containing headings as follows: