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 62
mum quantity of water that the boiler canevaporate. This may be ascertained by taking intoconsideration the amount of heating surface and therequired consumption of coal per square foot of gratesurface per hour. First, take the coal consumption.Assume the boiler lo have 30 sq. ft. of grate surface,… … SECTIONAL VIEW OF DIFFERENTIAL VALVE. Suppose the boiler is capable of evaporating 8 lbs. ofwater per pound of coal consumed. Then 30 x 15x8 =3,600 lbs. of water, evaporated per hour. Dividing
