TESTS WEST VIRGINIA. 
MISCELLANEOUS ITEMS. 
223 
Heating value of coal B. T. U. per pound dry coal. 
Force of draft: 
Under stack damper inch water. 
A bove 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... 
Test 274. 
Test 275. 
14,528 
0.49 I 
.13 ; 
2,776 
21.59 
3.99 
111.9 
9.94 
10.31 
10.87 
68. 53 
2.85 
3.51 
2.74 
3.39 
14,292 
0.54 
.11 
2,279 
16. 50 
3. 36 
94. 1 
8. 23 
9.80 
10.20 
11.05 
68.92 
2.88 
3.56 
2.77 
3.42 
Test 267. 
14,791 
0.40 
.10 
2,476 
16.87 
3.40 
95.4 
8.06 
9.67 
10.10 
10.64 
65.94 
2.92 
3.61 
2.80 
3.46 
Test 296. 
0.55 
.10 
2,561 
18.13 
3.63 
101.8 
9.69 
10.03 
10.96 
67.86 
2.92 
3.60 
2.82 
3.48 
ANALYSES. 
Test 274. 
Test 275. 
Test 267. 
Test 296. 
Proximate. 
3.60 
36. 30 
55.44 
4.66 
3.90 
34.31 
55.75 
6.04 
4.24 
36.46 
55.63 
3.67 
3.42 
34.26 
56.20 
6. 12 
ulphur 
100.00 
1.03 
100. 00 
1.13 
100.00 
1.07 
100.00 
1.22 
Ultimate. 
arbon a 
80.77 
5.15 
6.62 
1.56 
1.07 
4.83 
79. 43 
5.06 
6.52 
1.53 
1.18 
6.28 
81.58 
5.19 
6.72 
1.56 
1.12 
3.83 
79.33 
5.04 
6.51 
1.52 
1.26 
sh 
6.34 
100.00 
100. 00 
100. 00 
100. 00 
a Figured from car sample. 
