Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1895 - 257 páginas |
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Página 9
... means of obtaining force . Although these natural forces are lacking in those im- portant features , there are very ... means of operating other machinery , by supplying fuels , which form our only alter- native means of obtaining motive ...
... means of obtaining force . Although these natural forces are lacking in those im- portant features , there are very ... means of operating other machinery , by supplying fuels , which form our only alter- native means of obtaining motive ...
Página 15
... means of a rope , passing over a pulley , so as to raise up that weight , with vertical mo- tion , at the rate of 220 feet per minute . This exertion of mechanical power is equal to 33,000 lbs . raised vertically through a space of one ...
... means of a rope , passing over a pulley , so as to raise up that weight , with vertical mo- tion , at the rate of 220 feet per minute . This exertion of mechanical power is equal to 33,000 lbs . raised vertically through a space of one ...
Página 17
... means of comparison between different types of boil- ers , but it nevertheless forms the only reasonable compari ... mean , in some cases , about one - fourth of what an engine will indicate , in other cases about one - third of the same ...
... means of comparison between different types of boil- ers , but it nevertheless forms the only reasonable compari ... mean , in some cases , about one - fourth of what an engine will indicate , in other cases about one - third of the same ...
Página 18
... means of comparing electric energy with other powers . The Ohm is the term used to define the resistance of con- ductors or wires to the passage of electricity . It answers to the friction opposed to liquids passing through a pipe . The ...
... means of comparing electric energy with other powers . The Ohm is the term used to define the resistance of con- ductors or wires to the passage of electricity . It answers to the friction opposed to liquids passing through a pipe . The ...
Página 24
... means of an apparatus known in the trade as a " horse - gear . " This consists of a framing to be placed on the ground , containing a vertical shaft or spindle , on which is mounted a large bevel cog - wheel . The pole to which the ...
... means of an apparatus known in the trade as a " horse - gear . " This consists of a framing to be placed on the ground , containing a vertical shaft or spindle , on which is mounted a large bevel cog - wheel . The pole to which the ...
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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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