112 
OPERATIONS OF FUEL-TESTING PLANT IN [905. 
CHEMICAL ANALYSES. 
Mine sample. 
Car sam- 
ple A. 
( a r sam- 
ple B. 
Li 
\ i 
IM.s 
10.80 
13. 73 
12.08 
8.65 
3.00 
L849 
LI. 00 
L4.33 
35. 18 
12.02 
8. 47 
2.70 
1973 
8.00 
L2.82 
34.80 
12.08 
L0.30 
3. '-'7 
5.66 
61. 16 
1.03 
18.58 
6,177 
11,119 
L96Q 
10.70 
03 
Moisture - 
Volatile matter 
I'i\< '1 carbon 
[Ash 
13.51 
34. NO 
40. Ill 
10.71 
— 
05 
[Sulphur 
3. 15 
5. 78 
o3 
— 
59. a 
LOG 
- 
19. 6| 
Ca 
6,311 
11,360 
6 081 
in, it IX 
STEAMING TESTS. 
Tesl 168, Indiana No. !> A. 
Size as shipped, lump. Size as used, over 1 inch, 
cenl ; \ inch to I inch. 24.2 percenl 
to \ inch, L5 per cent : under ', inch. 20.2 per cent . 
Duration of test , 9.92 hours. Kind of grate, rock- 
ing. 
Tesi 169, In. liana No. 9 V. 
Size as shipped, lump. Size as used, over I inch, 
31.2 per cent ; \ inch to 1 inch, 21.6 percent; [ inch 
to l inch, 16 per cent ; under ', inch, 31.2 per c 
Duration of test, L0.02 hours. Kind of gr 
rocking. 
Tesi 1 7 1. Indiana No. !> B. 
Size as shipped, run of mine. Size as used, < 
1 inch 23.8 percent ; J inch to I inch. 21.7 per© 
j inch to \ inch, L8.2 percent ; under | inch, 36.3 
cent . Dura I ion of test, 6.7 hours. Kind of gr 
plain. 
cor 
■Hi ; 
per 
ite, 
MISCELLANEOUS I rEMS. 
I . per pound dry coal. . 
Heating value of coal 
Force oi « Ira ft : 
Under stack damper inch water.. 
Aliow fire do 
Furnace temperature °F.. 
Dry coal used per square fool of grate surface per hour pounds.. 
Equivalent water evaporated per square foot ol 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 pi nind of coal as fired do 
Per pound of dry coal do 
Per pound oi combustible do 
Efficiency oi boiler, including grate per cenl . . 
Coal as fired: 
Per indicated horsepower hour pi muds. . 
Per electrical horsepower hour do 
Dry coal. 
Per indicated horsepower hour do. . . 
Per electrical horsepower hour .do 
Test |I,S. 
12/181 
. 53 
.12 
2,349 
23.87 
3.62 
1(11.4 
6.37 
7.44 
8. 15 
10.17 
66.99 
3.80 
L(S0 
3. 35 
4.14 
Tesl 169. 
12,447 
. 13 
2,239 
21. 13 
;. 26 
91.5 
6. 46 
7. 54 
8.62 
10.18 
66.88 
3. 75 
4.63 
3.28 
4.05 
Tesl 171. 
12,740 
. 56 
. 15 
2,064 
19. 19 
:; 14 
N7.9 
(i.23 
7. 24 
s. 19 
9. 50 
02.08 
3.91 
4.82 
3.45 
4.26 
