116 
PRELIMINARY REPORT ON COAL-TESTING PLANT, [bull. 261. 
British thermal units. 
Per pound of coal as fired 9, 650 
Per pound of dry coal 10, 656 
Per pound of combustible 13. 820 
Per cubic foot of standard gas 151 
From standard gas per pound dry coal burned in producer 6, 168 
From standard gas per hour per brake horsepower. . 9, 516 
Gas produced (cubic feet reduced to standard). 
Total 447, 700 
Per hour 14, 923 
Per pound coal consumed in producer 
Per pound dry coal consumed in producer 
Per pound combustible consumed in producer 
Per pound equivalent coal used by producer plant 
Per pound equivalent dry coal used by producer plant 
Per pound equivalent combustible used by producer plant . . 
Horsepower developed. 
Average electrical horsepower available for outside purposes . 
Average electrical horsepower developed at switch board 
Average brake horsepowerf available for outside purposes. . . 
Average brake horsepowerf developed at engine 
Coal consumed in producer, pounds per horsepower per hour. 
Per electrical horsepower available for outside purposes. . 
Per electrical horsepower developed at switch board 
Per brake horsepowerf available for outside purposes ... 
Per brake horsepowerf developed at engine. 
Equivalent pounds used by producer plant per electrical 
horsepower available for outside purposes 
Equivalent pounds used by producer plant per electrical 
horsepower developed at switch board 
Equivalent pounds used by producer plant per brake 
horsepowerf available for outside purposes 
Equivalent pounds used by producer plant per brake 
horsepowerf developed at engine 
Coal 
as fired. 
Dry coal. 
2.18 
1.98 
2.00 
1.82 
1.86 
1.68 
1.70 
1.54 
2.49 
2.25 
2.28 
2.07 
2.11 
1.92 
1.94 
1.76 
37 
40.9 
53 
32.5 
35.8 
46.5 
184.8 
201.2 
217.4 
236. 8 i 
Combus-5 
tible. 
1.5j 
1.41 
i.3i 
1.1 
1.71 
i.ei 
1.41 
Li! 
Average composition of coal and gas. 
coal. Per cent. 
Moisture 9. 44 
Volatile matter 35. 02 
Fixed carbon 34. 82 
Ash 20.72 
gas by volume. Per ce 
Carbon dioxide 10. : 
Oxygen 
Carbon monoxide 15. 
Hydrogen 10. 
Methane 5.. 
Nitrogen 57. 
10a 
t Based on an assumed efficiency of 85 per cent for generator and belt. 
Sulphur 3.91 
