Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 12
... hours and lay by for two or four hours , when his reservoir would recuperate itself and he could work the other four . Or a wind - engine is condemned because it cannot be re- lied upon to work hour after hour with regularity . Where ...
... hours and lay by for two or four hours , when his reservoir would recuperate itself and he could work the other four . Or a wind - engine is condemned because it cannot be re- lied upon to work hour after hour with regularity . Where ...
Página 15
... hour , could draw 150 lbs . avoirdupois , by 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 ...
... hour , could draw 150 lbs . avoirdupois , by 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 ...
Página 17
... hours per day . Horse Ox ... Mule Pounds raised one foot high every minute . . 21,000 11,000 to 12,000 • 10,000 Ass ... Man , extreme work as in rowing Man , on a treadmill ... Man , turning a crank . • 3,500 . 4,000 . 3,100 . 2,600 to ...
... hours per day . Horse Ox ... Mule Pounds raised one foot high every minute . . 21,000 11,000 to 12,000 • 10,000 Ass ... Man , extreme work as in rowing Man , on a treadmill ... Man , turning a crank . • 3,500 . 4,000 . 3,100 . 2,600 to ...
Página 21
... hour 15 feet high . Cost of machine being 13- $ 65 . 750 imperial gallons per hour 30 feet high . Cost of machine being £ 18- $ 90 . Two men - 1,500 imperial gallons per hour 30 feet high . Cost of machine being £ 24- $ 120 . Useful ...
... hour 15 feet high . Cost of machine being 13- $ 65 . 750 imperial gallons per hour 30 feet high . Cost of machine being £ 18- $ 90 . Two men - 1,500 imperial gallons per hour 30 feet high . Cost of machine being £ 24- $ 120 . Useful ...
Página 22
... hours work he did unaided , otherwise there would . le nor coommy in its employment . #highst wages have to be paid for the service of direct- mg this maching , the earnings of man and machine com- Tansol must be to that extent in ...
... hours work he did unaided , otherwise there would . le nor coommy in its employment . #highst wages have to be paid for the service of direct- mg this maching , the earnings of man and machine com- Tansol must be to that extent in ...
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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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