Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1895 - 257 páginas |
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Página 12
... as the average year's work of such a mill would perhaps be far in excess of the total requirements , and the attend- ant's time might be profitably employed elsewhere when the mill CHAPTER IV QUESTIONS OF ADVISABILITY,
... as the average year's work of such a mill would perhaps be far in excess of the total requirements , and the attend- ant's time might be profitably employed elsewhere when the mill CHAPTER IV QUESTIONS OF ADVISABILITY,
Página 13
Reginald Pelham Bolton. ant's time might be profitably employed elsewhere when the mill was idle . These considerations extend themselves into economic matters . As an instance may be cited the operating of a sugar mill . This may be ...
Reginald Pelham Bolton. ant's time might be profitably employed elsewhere when the mill was idle . These considerations extend themselves into economic matters . As an instance may be cited the operating of a sugar mill . This may be ...
Página 14
... employing an engineer to carefully inspect and test the construction . As to carelessness in operating machinery , it is open to question if the best security , in many cases , would not be the employment of a better class of men than ...
... employing an engineer to carefully inspect and test the construction . As to carelessness in operating machinery , it is open to question if the best security , in many cases , would not be the employment of a better class of men than ...
Página 15
... employed by the brewers in London , and found that a horse of that kind walking at the rate of 24 miles per hour , could draw 150 lbs . avoirdupois , by means of a rope , passing over a pulley , so as to raise up that weight , with ...
... employed by the brewers in London , and found that a horse of that kind walking at the rate of 24 miles per hour , could draw 150 lbs . avoirdupois , by means of a rope , passing over a pulley , so as to raise up that weight , with ...
Página 18
... tions of power of electric energy , it is always necessary to bear in mind those losses which occur in all mechanism , due to friction , imperfections , and leakage . Thus , 10 effective horse - power employed to rotate 18 MOTIVE POWERS .
... tions of power of electric energy , it is always necessary to bear in mind those losses which occur in all mechanism , due to friction , imperfections , and leakage . Thus , 10 effective horse - power employed to rotate 18 MOTIVE POWERS .
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adopted amount ampères apparatus arranged average B.Sc calculation cast-iron cent CHAPTER Chemistry chimney coal compound engine condensation cost crank Crown 8vo cubic feet cubic foot cylinder cylinder engine Diagrams Diam driving dynamo economy effective horse-power electric Elementary fall feed-water feet per minute flues ft.-lbs fuel furnace gas-engine gine given grate area Heads in Feet heating surface HORIZONTAL ENGINES horses Illustrations imperial gallons inch diameter indicated horse-power iron LL.D machine machinery mill motive power motor nominal horse-power oil-engine ordinary oxen Pelton Wheel pipe piston plates portable portable engines pounds practical proportions published by Longmans pump purpose Revolutions per Minute Scientific Works published shaft single-cylinder speed square feet square inch steam-engine Strength of Materials Stroke supply thickness tions tubes turbine valve vaporizer vary velocity vertical engine volts water-wheels Watts weight wheel wind wood Woodcuts ΙΟ
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