Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics (1918)
Gillette, Halbert Powers, 1869-, Dana, Richard Turner, 1876-1928, joint author · New York, McGraw-Hill · leaf 315
e chart has been prepared by taking acceptedstandards for the heat content per pound of fuels such as wood, coalanthracite and bituminous, alcohol, petroleum, etc., taking 1 B. t. u.equal to 778 ft.-lbs.and 1 hp. .equal to 2,545 B. t. u. per hour. Knowing tJie thermodynamic efficiency of any… … 1. Theoretical energy contained in lbs. of fuel for heatingvalues up to 24,000 B.t.u. per lb., a B.t.u. being equal to 778 ft.-Ibs. estimated from the chart. Or, knowing the heating value of afuel, and the amount of fuel required to produce a mechanicalh.p., the thermodynamic efficiency of the…
