TESTS OHIO. 
143 
Test 193. Ohio No. 2. 
STEAMING TESTS. 
Test 1U7, Ohio No. 2, washed. 
Size as shipped, run of mine. Size as used, over 
inch, 30.2 per cent; h inch to 1 inch, 25 per cent; 
inch to ^ inch, 16. G per cent; under \ inch, 28.2 
er cent. Duration of test, 9.95 hours. Kind of 
rate, rocking. 
Size as shipped, run of mine. Size as used, over 
1 inch, 34 per cent; \ inch to 1 inch, 23.3 per cent; 
\ inch to | inch, 17.4 per cent; under ± inch, 25.3 
percent. Duration of test, 9.87 hours. Kind of 
grate, plain. 
M I SCELLA N K( >US ITEM S . 
[eating value of coal B. T. U. per pound dry coal. 
'orce of draft: 
Under stack damper inch water. 
Above fire do.. . 
'urnace temperature °F. 
)ry coal used per square foot of grate surface per hour pounds. 
Iquivalent water evaporated per square foot of water-heating surface per hour 
pounds 
'ercentage of rated horsepower of boiler developed 
Vater apparently evaporated per pound of coal as fired pounds. 
Vater evaporated from and at 212° F: 
Per pound of coal as fired do. . . 
Per pound of dry coal do... 
Per pound of combustible do. . . 
Ifficiency of boiler, including grate percent. 
oal as fired: 
Per indicated horsepower hour pounds. 
Per electrical horsepower hou r do . . . 
)ry coal: 
Per indicated horsepower hour do. . . 
Per electrical horsepower hour do... 
Test 193. Test 197. 
0.51 
0. 45 
.18 
. 20 
2,293 
2,294 
20. 60 
18.47 
2.86 
3.01 
80.3 
84.4 
6.03 
6.32 
7.06 
7.43 
7. 75 
8.16 
9. 57 
9.28 
61.40 
60. 09 
4.01 
3.81 
4.95 
4.70 
3.65 
3.47 
4. 51 
4.28 
ANALYSES. 
Test 193. 
Test 197. 
Test 193. 
Test 197. 
Proximate. 
8.86 
35. 01 
42. 32 
13.81 
8.99 
37.71 
45. 56 
7.74 
Ultimate. 
66.46 
4.64 
7.69 
1.27 
4.79 
15. 15 
73. 09 
5. 11 
"ixed carbon 
8. 43 
Ish 
1.41 
3. 46 
8.50 
100. 00 
4.37 
100. 00 
3.15 
Ash 
ulphur 
100. 00 
100. 00 
a Figured from car sample. 
