Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 10
... quantity . In fact , some water may be considered a necessity in all the heat engines , though , naturally not in the same volume as when utilized to provide force by its own fall . Comparative Summary . - A summary of the relative val ...
... quantity . In fact , some water may be considered a necessity in all the heat engines , though , naturally not in the same volume as when utilized to provide force by its own fall . Comparative Summary . - A summary of the relative val ...
Página 17
... quantity . It is supposed to mean , in some cases , about one - fourth of what an engine will indicate , in other cases about one - third of the same . The nominal horse - power of a boiler is not the same as that of an engine , in fact ...
... quantity . It is supposed to mean , in some cases , about one - fourth of what an engine will indicate , in other cases about one - third of the same . The nominal horse - power of a boiler is not the same as that of an engine , in fact ...
Página 18
... quantity of current , and may be com- pared with the entire quantities used in defining steam or water . It is frequently written " current . " As quantity multiplied by pressure gives us in other calculations a defi- nition of power ...
... quantity of current , and may be com- pared with the entire quantities used in defining steam or water . It is frequently written " current . " As quantity multiplied by pressure gives us in other calculations a defi- nition of power ...
Página 19
... quantity of electricity , say a number of Watts , to a motor will not result in an exactly corresponding effective horse - power , but an amount less by from 10 to 15 per cent . , which , in my tables , I have , for en- tire security ...
... quantity of electricity , say a number of Watts , to a motor will not result in an exactly corresponding effective horse - power , but an amount less by from 10 to 15 per cent . , which , in my tables , I have , for en- tire security ...
Página 21
... quantities , see Section III . Hand - power Gear . Where human power is exerted to turn machinery , such as circular or band saws , butter ma- chinery , pumps , and lathes , a good heavy fly - wheel should Le provided , which equalizes ...
... quantities , see Section III . Hand - power Gear . Where human power is exerted to turn machinery , such as circular or band saws , butter ma- chinery , pumps , and lathes , a good heavy fly - wheel should Le provided , which equalizes ...
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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
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