TESTS WEST VIRGINIA. 
219 
M I SCELL A X E< >l T S ITEM S . 
Heating value of coal B. 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 water-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 per cent. . 
Coal as fired: 
Per indicated horsepower hour pounds. . 
Per electrical horsepower hour do 
Dry coal: 
Per indicated horsepower hour do 
Per electrical horsepower hour do 
0.31 
.09 
2.80 
78.5 
8.24 
10.11 
11.21 
68. 75 
2. 86 
3.53 
2.80 
3.45 
>st 273. 
Test 264. 
14,083 
14,584 
0.40 
0.38 
.10 
.16 
2,274 
2,520 
16. 57 
17.23 
2.98 
3.23 
83.6 
90.5 
8.13 
8.41 
9.75 
10.09 
10.04 
10.46 
11.19 
11.21 
68.85 
69.26 
2.90 
2.80 
3.58 
3.46 
2.82 
2.70 
3.48 
3.34 
Test 266. 
14,530 
0.35 
.10 
2,392 
15. 73 
3.09 
86.7 
7.97 
9.54 
9.85 
10.56 
65.47 
2.96 
3.66 
2.87 
3.55 
ANALYSES. 
Test 272. 
Test 273. 
Test 264. 
Test 266. 
Proximate. 
2.21 
32.55 
57.31 
7.93 
2.89 
31.75 
56. 93 
8.43 
3.49 
32.94 
58.37 
5.20 
3.14 
33. 40 
57.93 
Ash 
5.53 
100. 00 
1.28 
100. 00 
1.50 
100. 00 
1.06 
100. 00 
1.10 
Ultimate. 
79.20 
5.00 
5.00 
1.38 
1.31 
8.11 
78.49 
4.95 
4.97 
1.37 
1.54 
8.68 
81.75 
5.17 
5. 16 
1.43 
1.10 
5.39 
81.45 
5.15 
Oxygen o 
5.13 
Nitrogen a 
1.42 
Sulphur 
1.14 
Ash 
5.71 
100.00 
100. 00 
100. 00 
100.00 
o Figured from car sample. 
