TESTS WEST VIRGINIA. 
207 
STEAMING TESTS. 
Test 214, West Virginia No. 15. 
Size as shipped, run of mine. Size as used, over 
1 inch, 33.1 per cent; \ inch to 1 inch, 24.4 per cent; 
\ inch to | inch, 15 per cent; under | inch, 27.5 per 
cent. Duration of test, 8.78 hours. Kind of 
grate, rocking. 
Test 215, West A irginia No. 15. 
Size, as shipped, run of mine. Size as used, over 
1 inch, 32.6 per cent; \ inch to 1 inch, 24.2 per cent; 
\ inch to \ inch, I5.8percen1 ; under ', inch, 27.4per 
cent. Duration of test, 9.75 hours. Kind of 
grate, plain. 
Test 216, West Virginia No. 15. 
Size as shipped run of mine. Size as used, over 
1 inch, 43.5 per cent; \ inch to 1 inch, 20.3 per cent; 
\ inch to \ inch, 14.5 per cent; under \ inch, 21.7 per 
cent. Duration of test, 5.80 hours. Kind of 
grate, plain. 
MISCELI .A N EOUS IT E MS. 
Heating value of coal B. T. U. per pound dry coal. 
Force of draft: 
Under stack damper inch water. 
Ahove 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-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 fired do. . . 
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 214. 
14,120 
0.53 
.22 
2,247 
16.32 
2. 68 
75.2 
7. 65 
Test 215. 
3.14 
3.88 
3.08 
3.80 
14,202 
0.40 
.12 
2, 269 
16. 77 
3.01 
84.4 
7.44 
9. 00 8. 77 
9.18 8.99 
10.92 | 10.04 
62.76 61.13 
3.22 
3.98 
3.15 
3.88 
Test 216. 
14, 197 
0.41 
«. 04 
2, 365 
21. 28 
3.67 
103. 
7.14 
8.41 
8.65 
9.63 
58.84 
3. 36 
4.15 
3.27 
4.04 
Forced draft. 
ANALYSES. 
Test 214. 
Test 215. 
test 216. 
Proximate. 
Moisture 
1.90 
38.18 
51.90 
8.02 
2.47 
38. 38 
51.48 
7.67 
2.73 
38. 43 
51.11 
7.73 
i (Volatile matter 
f Fixed carbon 
j'Ash 
Sulphur 
100. 00 
3.01 
100. 00 
2.77 
100. 00 
2.71 
Test 214. 
Test 215. 
Test 216. 
Ultimate. 
77.45 
4.97 
4.87 
1.46 
3.07 
8.18 
77.93 
5.00 
4.90 
1.47 
2.84 
7.86 
77.90 
Hydrogen a 
Oxygen a 
5.00 
4.89 
1.47 
2.79 
Ash 
7.95 
100. 00 
100. 00 
100. 00 
Figured from car sample. 
