98 
OPERATIONS OF FUEL-TESTING PLANT IN L905. 
STEAMING TESTS. 
Test 151, Indiana No. 4. 
Size as shipped, screenings. Size as used, over 
1 inch, 3G.5 per cent; £ inch to 1 inch, 21 per cent; 
\ inch to \ inch, 15.4 per cent; under \ inch, 27.1 
per cent. Duration of test, 10.05 hours. Kind of 
grate plain. 
Test 154, Indiana No. 4, washed. 
Size as shipped, screenings. Size as used, over 
linch, 18.5 per cent; \ inch to I inch, 29.9 percent : 
\ inch to h inch. 24.4 per cent: under \ inch, 27.2 
per cent. Duration of test. 9.95 hours. Kind 
of gratis plain. 
Test 1 ().~>, Indiana No. 4. 
9 
Size as shipped, screenings. Size as used, ovei 
1 inch, 19 per cent; i inch to i inch, 22.4 percent 
I inch to I inch, 18.6 per cent; under ( inch, 4( 
per cent. Duration of test, 10.03 hours. Kind o 
grate, rocking. 
Test 1<>(>, Indiana No. 4. 
Size as shipped, screenings. Size as used, ovei 
1 inch, 8.1 per cent; \ inch to 1 inch, IS. 3 percent 
\ inch to I inch. 18.8 per cent ; under ; inch, 54.* 
per cent. Duration of test, 8.80 hours. Kind o 
grate, rocking. 
MISCELLANKOIS ITEMS. 
Heating value of coal 13. T. U. per pound dry coal.. 
Force of draft: 
Under stack damper inch water- 
Above fire do 
Furnace temperature °F. . 
Dry coal used per square foot of grate surface per hour, 
pounds , 
Equivalent water evaporated per square foot of wate -heat- 
ing 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 fired pounds. . 
Per pound of dry coal do 
Per pound of combustible do 
Efficiency of boiler, including grate percent. . 
Coal as fired: 
Per indicated horsepower hour pounds.. 
Per elect rical horsepower hour do 
Dry coal: 
Per indicated horsepower hour do 
Per electrical horsepower hour do 
Test 151. 
11,977 
0.48 
.12 
2,023 
18. G4 
2.88 
80.8 
5.74 
G.G4 
7.74 
9.57 
G2.41 
4.26 
5.26 
3.G5 
4.51 
Test 154. 
Test 165. 
13,421 
II, 186 
0.45 
0. Gl 
.11 
.19 
2,390 
2,062 
19.21 
21.98 
3.40 
3.17 
95.3 
88.9 
6.45 
5.94 
7.55 
6. 94 
8.86 
8.05 
9.86 
10.43 
63. 75 
67.68 
3.75 
4.08 
4.62 
5.03 
3.19 
3. 51 
3. 94 
4.34 
ANALYSES. 
Proximate. 
Moisture 
Volatile matter 
Fixed carbon 
Ash 
Sulphur 
Test 151, 
14.24 
31.59 
39.96 
14.21 
100.00 
2.52 
Test 154. 
14.80 
33.10 
44.91 
7.19 
100. 00 
2.12 
Test II',;,. 
13.82 
29.12 
39.80 
17.26 
100. 00 
2.43 
