124 
OPERATIONS OF FUEL-TESTING PLANT IN 190£ 
STEAMING TESTS. 
Tesi 376, Kentucky No. 
Size as shipped, run of mine. Size as used, over 
1 inch, 67.5 per cent; \ inch to 1 inch, 11.6 percenl ; 
\ inch to \ inch, 7.4 per cent; under \ inch, 13.5 
percent. Duration of test, 9.78 hours. Kind of 
grate, rocking. 
Tesi 877, Kentucky No. 
Size as shipped, run of mine. Siafe as used, o\ 
I inch, 54.4 percent; \ inch to 1 inch, 1 4.7 pereei 
\ inch 1o \ inch, u.s percent; under ', inch, I! 
percent. Duration of test, 9.30 hours. Kind 
grate, plain. 
MISCELLANEOUS 1TKMS. 
Heating value of coal B.T. U. per pound dry coal. 
Force of draft : 
Under stack damper inch w%ter. 
Above fire do. .. 
Furnace temperature °F. 
Dry coal used per square foot of grate surface per hour pounds 
Equivalenl water evaporated per square Eoo1 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.: 
Per pound of coal as tired do... 
Per pound of dry coal do... 
Per pound of combustible do.. . 
Efficiency of boiler, including grate per cent . 
fired: 
Per indicated horsepower hour pounds. 
Per electrical horsepower hour do... 
Dry coal: 
Per indicated horsepower hour do... 
Pel electrical horsepower hour \ do... 
Test 276. 
14,571 
0.45 
.15 
2,799 
21.98 
3.98 
lll.il 
8.01 
9.63 
10. 10 
10.62 
66. 94 
2. 94 
3.63 
2.80 
3. 46 
\\ AI.YSKS. 
Proximatt 
Moisture 
Volatile matter 
Fixed carbon 
Ash 
Sulphur 
Tesi 276. 
4.72 
34.96 
56. .".7 
3.75 
100.00 
Tesi 277. 
5. 40 
34.57 
56.06 
3. 07 
100,00 
. 63 
Ultimatt 
Carbon a 
Hydrogen" 
Oxygen" 
Nitrogen a 
Sulphur 
Ash 
Tesi 276. 
81.08 
4. 90 
7. 93 
L.65 
.50 
3.94 
100.00 
Test 
a Figured from car sample. 
PRODUCER-GAS TEST. 
iVxi 81, Kentucky No. 5. 
Size as shipped, run of mine. Size as used, over 1 inch, 71 per cent: ! inch to 1 inch, 10 percent 
| inch to i inch, 8 per cent; under \ inch, II percent. Duration oi test, 50 hours. 
Average electrical horsepower 198.5 
Average B. T. U. gas, per cubic foot . fl 
Total coal fired .pounds.. lL\90t 
