TABLE OF TEST RESULTS.

After the test has been made and properly worked up, as heretofore described, collect all the results of the test on one sheet, so that they can be kept in convenient form for reference and for comparison with later tests. A brief form of arranging the results is as follows:

1. Date of test............................................................................... May 20, 1918
2. Duration of test..........................................................................hours10
3. Weight of coal used...................................................................pounds5,000
4. Weight of water fed and evaporated...........................................do.35,000
5. Average steam pressure, gauge...................................................do.100
6. Average feed-water temperature.................................................°F.180
7. Factor of evaporation.................................................................1.0727
8. Equivalent evaporation from and at 212° F..................................pounds37,545
EFFICIENCY.
9. Efficiency of boiler and furnace...................................................per cent54
CAPACITY.
10. Boiler horsepower developed...................................................109
11. Builders' rated horsepower.......................................................150
12. Percentage of rated horsepower developed...............................per cent73
ECONOMIC RESULTS.
13. Actual evaporation per pound of coal........................................pounds7
14. Equivalent evaporation from and at 212° F................................pounds7.5
per pound of coal as fired,
15. Cost of coal per ton (2,000 pounds).........................................$3.60
16. Cost of coal to evaporate 1,000 pounds from and at 212° F.....$0.24