Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
Dentro del libro
Resultados 1-5 de 31
Página 18
... electric currents . Four terms practically cover the ground . Volt is a term used to define electric pressure , and is practically applied to the electric current as pressure per square inch is by engineers to steam . It is also known ...
... electric currents . Four terms practically cover the ground . Volt is a term used to define electric pressure , and is practically applied to the electric current as pressure per square inch is by engineers to steam . It is also known ...
Página 19
... electricity , but a less amount , which may safely be taken as eighty per cent . , or 8 effective horse - power , and is so taken in the succeeding tables and calculations . Inversely , 8 horse - power of electricity given out by a ...
... electricity , but a less amount , which may safely be taken as eighty per cent . , or 8 effective horse - power , and is so taken in the succeeding tables and calculations . Inversely , 8 horse - power of electricity given out by a ...
Página 34
... Electric Work . For electric lighting purposes , a set of accumulators should be provided , answering the same pur- pose of a reserve of power , which can be utilized for lighting or for driving a motor . Such a plant was in successful ...
... Electric Work . For electric lighting purposes , a set of accumulators should be provided , answering the same pur- pose of a reserve of power , which can be utilized for lighting or for driving a motor . Such a plant was in successful ...
Página 35
... electricity was obtained for two and sometimes three 1,500 candle - power arc - lamps and 27 incandescent lamps ... electrical apparatus was switched on when the speed was high enough , and switched off when it dropped too low , and ...
... electricity was obtained for two and sometimes three 1,500 candle - power arc - lamps and 27 incandescent lamps ... electrical apparatus was switched on when the speed was high enough , and switched off when it dropped too low , and ...
Página 64
... electric ma- chinery and accumulators , and its use may not only be made entirely continuous , but its force may be conveyed a convenient distance away from tidal effects . Practical Possibilities and Results . From the effective horse ...
... electric ma- chinery and accumulators , and its use may not only be made entirely continuous , but its force may be conveyed a convenient distance away from tidal effects . Practical Possibilities and Results . From the effective horse ...
Otras ediciones - Ver todas
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
Página 257 - ON THE DEVELOPMENT AND TRANSMISSION OF POWER FROM CENTRAL STATIONS. Being the Howard Lectures delivered at the Society of Arts in 1893. By WILLIAM CAWTHORNE UNWIN,
Página 257 - The Drainage of Fens and Low Lands by Gravitation and Steam Power.
Página 180 - 30 tons per square inch, with an elongation of not less than 20 per cent, in a test