TESTS OHIO. 
151 
OHIO NO, 5. 
Bituminous coal from Rush Run No. 1 mine, Glens Run Coal Company, Rush Run, 
Jefferson County, Ohio, on the Pennsylvania Railroad. 
This sample consisted of " three-fourths inch coal" which had been passed over a three- 
fourths inch bar screen. It was shipped under the supervision of Inspector J. W. Groves, 
and was used in making coking test No. 22, steaming tests Nos. 186, 187, 189, and 190, 
and producer-gas test No. 58. 
Two mine samples were taken for chemical analysis. No. 1944 was cut from a point 
off the first left entry, 2,400 feet southeast of the drift mouth; No. 1945 was cut from the 
face of room 17 off the third entry, 2,600 feet south of the drift mouth. 
CHEMICAL ANALYSES. 
Laboratory number 
Air-drying loss 
Moisture 
Volatile matter. 
Fixed Carbon. . 
| Ash 
Isulphur 
Hydrogen 
Carbon 
N i trogen 
Oxygen 
Calorific value determined: 
Calories 
British thermal units. . 
Mine samples. 
4.69 
35. 57 
53. 73 
6.01 
l.. r >4 
1945 
2.20 
4.99 
35. 33 
53. 98 
5. 70 
. 95 
7,403 
13,325 
Car sam- 
ple. 
20(i2 
2. 40 
4.34 
35. 53 
52. 83 
7.30 
1.72 
5.21 
72. 65 
1.42 
11.70 
7,321 
13,178 
STEAMING TESTS. 
Test 180, Ohio No. 5. 
Size as shipped, over 2 inch. Size as used, over 
1 inch, 49.2 percent; \ inch to 1 inch, 23. G per cenl ; 
1 inch to \ inch, 11.8 per cent; under \ inch, 15.4 
per cent. Duration of test, 10 hours. Kind of 
grate, plain. 
Test 187, Ohio No. 5. 
Size as shipped, over \ inch. Size as used, over 
1 inch, 44 per cent; \ inch to 1 inch, 20.2 per cent; 
\ inch to \ inch, 12 per cent; under \ incb, 23.8 per 
cent. Duration of test, 10 hours. Kind of grate, 
plain. 
Test 189, Ohio No. T>. 
Size as shipped, over \ inch. Size as used, over 
1 inch, 28.3 percent; \ inch to 1 inch, 19.7 percent; 
\ inch to \ inch, 15. t> per cent; under \ inch, 3G.4 
per cent. Duration of test, 10.05 hours. Kind of 
grate, plain. 
Test 190, Ohio No. 5. 
Size as shipped, over \ inch. Size as used, over 
1 inch, 35.1 percent; \ in ch to 1 inch, 22.7 percent; 
i inch to I inch, 15.6 per cent; under J inch, 26.6 
per cent. - Duration of test, 10.07 hours. Kind of 
grate, plain. 
MISCELLANEOUS ITEMS. 
Test 186. 
Test 187. 
Test 189. 
Test 190. 
Heating value of coal B. T. U. per pound dry coal. . 
Force of draft: 
Under stack damper inch wa ter . . 
Above fire do 
Furnace temperature °F. . 
Dry coal used per square foot of grate surface per hour, 
pounds 
13,684 
0. 41 
.12 
2,673 
21.49 
3.80 
106.4 
7.25 
13,469 
0.31 
.16 
2,441 
- 22.91 
4. 06 
113.7 
7.20 
13,532 
0.42 
.13 
2,440 
19.48 
3.60 
100. 9 
7.52 
13,450 
0.40 
.10 
2,503 
20.44 
Equivalent water evaporated per square foot of water- 
heating surface per hour pounds. . 
3.70 
103.7 
Water .apparently evaporated per pound of coal as fired, 
pounds 
7.39 
