Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 20
... 15 lbs . , which for intermittent work may be increased towards 25 lbs . The speed at which a man will turn a crank is from 26 to 30 revolutions per minute . Man Labour . The labour of one man is just SECTION II CHAPTER VI MANUAL POWER,
... 15 lbs . , which for intermittent work may be increased towards 25 lbs . The speed at which a man will turn a crank is from 26 to 30 revolutions per minute . Man Labour . The labour of one man is just SECTION II CHAPTER VI MANUAL POWER,
Página 22
... increased , and such kkou comin - qudy prosecuted probably puts double the above duty on the Lancet . From these facts will be gathered the limits of the prac- tical application of human power . Ecquamy . The economy of employing the ...
... increased , and such kkou comin - qudy prosecuted probably puts double the above duty on the Lancet . From these facts will be gathered the limits of the prac- tical application of human power . Ecquamy . The economy of employing the ...
Página 45
... increased by bends or turns in the pipes or by restriction in size at any part of the passage . An im- mense amount of calculation has been devoted to the set- tlement of the results of water flowing in pipes . In the case of a town ...
... increased by bends or turns in the pipes or by restriction in size at any part of the passage . An im- mense amount of calculation has been devoted to the set- tlement of the results of water flowing in pipes . In the case of a town ...
Página 46
... increased by bends or irreg- ularities in the pipes . The speed at which the water flows inside a pipe has , as will be inferred from the proportionated losses and quanti- ties in the above table , a directly increasing effect on the ...
... increased by bends or irreg- ularities in the pipes . The speed at which the water flows inside a pipe has , as will be inferred from the proportionated losses and quanti- ties in the above table , a directly increasing effect on the ...
Página 52
... increased to 4.4 in a fresh breeze and to 8.8 in a strong wind and to 12.4 in a gale . The average loss from reservoirs exposed to the sun equals in summer to inch per day , and throughout the year from to inch per day . CHAPTER X ...
... increased to 4.4 in a fresh breeze and to 8.8 in a strong wind and to 12.4 in a gale . The average loss from reservoirs exposed to the sun equals in summer to inch per day , and throughout the year from to inch per day . CHAPTER X ...
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Términos y frases comunes
50 feet adopted amount ampères apparatus arranged average belt calculation cast-iron cent CHAPTER chimney coal compound engine condensation Cornish boilers cost crank cubic feet cubic foot cylinder Diam driving dynamo economy effective horse-power electric equal evaporated exhaust steam fall feed-water feet per minute flues fuel furnace gas-engine gine given grate area Heads in Feet heating surface HORIZONTAL ENGINES Horse horse-power per hour imperial gallons inch diameter indicated horse-power iron lamp Lancashire Lancashire boilers length Load machine machinery mill motive power motor nominal horse-power oil-engine Pelton Wheel pipes piston plates portable portable engines pounds practical proportions pump purposes quantity of water Revolutions per Minute shaft single-cylinder sizes space speed square feet square foot square inch steam-engine Stroke suited supply temperature thickness tubes turbine valve vary velocity vertical engine volts water-wheels Watts weight wheel Width wind windmill ΙΟ
Pasajes populares
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