Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 138
^ draft, etc., then theresult must be based upon thenumber of pounds of water evap-orated per pound of coal. This latter phrase includesnot only the purely combustible matter in the coal,but the non-combustible also, as ash, moisture, etc.Some varieties of western coal contain as high as 12 to14… … FIGURE 12. 126 ENGINEERING to extract heat from the mass is to be tested, as wellas the ability of the boiler to absorb and transmit thatheat to the water. Therefore the efficiency of theboiler and furnace = Heat absorbed per pound of coal.Heating value of one pound of coal. If the test is to…
