. Bulletin of the United States Geological Survey--Preliminary Report on the Operations of the Fuel-Testing Plant of the United States Geological Survey at St. Louis, Mo., 1905 . Test 102, Illinois No. 8. Size as shipped, nut. Size as used, over 1 per cent; § inch to 1 inch, per cent; \ inchto I inch, percent; under \ inch, per of test, 10 hours. Kind of grate, plain. MISCELLANEOUS ITEMS. Heating value of coal B. T. U. per pound dry coal Force of draft: Under stack damper inch water Above fire Furnace temperature °F Dry coal used per square foot of gr
. Bulletin of the United States Geological Survey--Preliminary Report on the Operations of the Fuel-Testing Plant of the United States Geological Survey at St. Louis, Mo., 1905 . Test 102, Illinois No. 8. Size as shipped, nut. Size as used, over 1 per cent; § inch to 1 inch, per cent; \ inchto I inch, percent; under \ inch, per of test, 10 hours. Kind of grate, plain. MISCELLANEOUS ITEMS. Heating value of coal B. T. U. per pound dry coal Force of draft: Under stack damper inch water Above fire Furnace temperature °F Dry coal used per square foot of grate surface per hour pounds. Equivalent water evaporated per square foot of water-heating surface per hour pounds. Percentage of rated horsepower of boiler developed Water apparently evaporated per pound of coal as fired pounds Water evaporated from and at 212 °F.: a Per pound of coal as fired Per pound of dry coal Per pound of combustible Efficiency of boiler, including grate percent Coal as fired: Per indicated horsepower hour Per electrical horsepower hour Dry coal: Per indicated horsepower hour Per electrical horsepower , a A better evaporation would have been obtained if boilers and gas-sampling apparatus had been inbetter condition, as they were later. 62 OPERATIONS OF FUEL-TESTING PLANT IN 1905. ANALYSES. Proximate. Moisture Volatile matter Fixed carbon Ash Sulphur. Test 101. Test 102. Test 101. UUimate. Carbono Hydrogen o Oxygen o Nitrogen a Sulphur Ash Test 102. 4. 59 8. 56 5. 3C a Figured from car sample. PRODUCER-GAS TEST. Test 29, Illinois No. 8. Size as shipped, nut. Size as used, not determined. Duration of test, 42 hours. Average electrical horsepower Average B. T. U. gas, per cubic foot Total coal fired 16,050 COAL CONSUMED IN PRODUCER (POUNDS PER HORSEPOWER PER HOUR). Te
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