164 
OPERATIONS OF FUEL-TESTING PLANT IN 1905. 
MISCELLANEOUS ITEMS. 
Test 
246. 
Heating value of coal, B. T. U. per 
pound dry coal 
Force of draft: 
Under stack damper, inch water 
A hove fire do 
Furnace temperature °F. . 
Dry coal used per square foot ol 
grate surface per hour. . .pounds.. 
Equivalent water evaporated per 
square foot of water-heating sur- 
face per hour pounds. . 
Percentage <>f rated horsepower of 
boiler developed 
Water apparently evaporated per 
pound of coal as fired .. .pounds. . 
Water evaporated from and al 
212° F.: 
Per pound of coal as fired, 
pounds 
per pound of dry coal. pounds.. 
Per pound of combustible, 
pounds 
Efficiency of boiler, including grate, 
per cenl 
Coal as tired: 
Per indicated horsepower hour, 
pounds 
Per elect rical horsepower hour, 
pounds 
Dry coal: 
Per indicated horsepower hour, 
pounds 
Per electrical horsepower hour, 
pounds 
13,507 
0.48 
.15 
2,400 
L8.30 
3. 32 
93. 1 
7. 20 
8.57 
0.10 
10.06 
65.06 
3. 30 
I. us 
3. 1 1 
3.84 
Test 
240. 
18,300 
0.38 
.13 
2,411 
16.50 
2. 93 
82. 1 
7.011 
8.33 
8.90 
9.96 
64. I'.t 
3. 40 
J. L9 
.;. is 
.", 92 
Tost 
250. 
13,369 
(). 37 
. 11 
2,322 
15.64 
2.88 
80.7 
7. 26 
8.66 
9. 22 
10.31 
66.60 
3. 26 
1.03 
3.07 
3. 70 
Test 
252. 
13,406 
0. 42 
.14 
2,436 
17. 39 
3. 13 
87.0 
7. 11 
8.49 
9. 03 
10. to 
65.05 
3. 33 
I. H 
3. 13 
3. 87 
Test 
224. 
!■_>, 119 
0. 59 
.18 
21.51 
3. 13 
87.8 
6. 32 
7.48 
8.12 
9. 97 
64.70 
3. 78 
4.67 
:;. is 
4.30 
Test 
241. 
13,504 
0.47 
11 
2. 340 
17. SI 
3.31 
92. 7 
7.18 
8.56 
9.30 
10.17 
66.51 
3. 30 
4.08 
3.04 
3. 7") 
Test 
243. 
0.49 
.13 
2,487 
18.22 
3.31 
92. 8 
7.48 
8.93 
9. 11 
o.os 
65. 78 
3.17 
3.91 
3. 10 
3.83 
Test 
244. 
13,421 
0.44 
. 11 
2, 7)32 
1 8. 08 
3. 26 
91. | 
7.41 
S.82 
0.04 
0.86 
6)5.05 
3. 21 
3.96 
3. 13 
3.86 
ANALYSES. 
Tesl 246. Tesl 249. Tesl 250. Test 27,2 
Test 221. Test I'll. Test 243. Test 244 
Proximate. 
Moisture 
Volatile matter. 
Fixed carbon. . . 
Ash 
Julphur. 
UltimaU . 
Carbon o. . . 
Hydrogen «. 
1 >xygen <?. . . 
Nit rogen " . 
Sulphur.... 
\sll 
7, 83 
40.02 
46. 23 
7.92 
6. 40 
37.82 
47.06 
8.72 
100. 00 
3. 76 
100.00 
3. 60 
6.06 
38. 44 
46. 66 
8.84 
100.00 
3. 66 
5.99 
38.99 
16.31 
8.71 
7.84 
35.24 
42. 03 
14.89 
100. 00 
3.50 
100. 00 
3.27 
73. 64 
4..% 
8.22 
1.24 
3.99 
8.41 
100. (X) 
73.00 
4.45 
8.14 
1.24 
3. 85 
9.32 
72.89 
4.45 
s. 12 
1 . 23 
3.90 
0.41 
100 mi 100. (X) 
73. 1 5 
4.47 
s. 17 
1 23 
3. 72 
9.26 
L00 00 
66. 59 
4. 46 
8. 13 
1.11 
3.55 
16. tl, 
in 
7.92 
38.58 
46. 42 
7.08 
Hid. on 
2. 86 
73. 07 
1 '17, 
0. 04 
1.24 
3.11 
7.(.0 
100. (X) 
1.92 
41.68 
48.99 
7.41 
100. (X) 
3. 06 
73.18 
5.05 
9.86 
1.24 
3.12 
7.55 
100. 00 
2.47 
41.33 
40. IS 
7.05 
100. 00 
3. 02 
73. Al 
5.oe 
9. 91 
l.K 
3. 1( 
7.2i 
100. 0C 
« Figured from car sample. 
