Engineering Encyclopedia: A Condensed Encyclopedia and Mechanical Dictionary for Engineers, Mechanics, Technical Schools, Industrial Plants, and Public Libraries, Giving the Most Essential Facts about 4500 Important Engineering SubjectsFranklin Day Jones, Paul Bert Schubert Industrial Press, 1963 - 1431 σελίδες |
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Σελίδα 640
... varies from 5.5 to 6.5 on the Mohs scale . The specific gravity varies from 4.2 to 5.3 . Hematite is an anhydrous oxide containing no water in combina- tion after having been heated to a temperature of 212 degrees F. See Iron in Iron ...
... varies from 5.5 to 6.5 on the Mohs scale . The specific gravity varies from 4.2 to 5.3 . Hematite is an anhydrous oxide containing no water in combina- tion after having been heated to a temperature of 212 degrees F. See Iron in Iron ...
Σελίδα 1043
... varies with the character of the heating surface and its relation to the grate area . In power boilers of good design , the rate of evaporation generally varies from 9 to 10 pounds , while in the case of heating boilers , it is more ...
... varies with the character of the heating surface and its relation to the grate area . In power boilers of good design , the rate of evaporation generally varies from 9 to 10 pounds , while in the case of heating boilers , it is more ...
Σελίδα 1188
... varies from 0.60 to 0.70 per cent . The strength is obtained by heat - treatment rather than by cold working . Music Wire : This is a high - grade spring wire produced either in the electric furnace or by the acid open - hearth process ...
... varies from 0.60 to 0.70 per cent . The strength is obtained by heat - treatment rather than by cold working . Music Wire : This is a high - grade spring wire produced either in the electric furnace or by the acid open - hearth process ...
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abrasive acid alloy alternating current aluminum angle annealing applied axis bearing belt blank brass bronze carbon cast iron cent chemical chromium chuck classes compression containing copper corrosion cutter cutting cylinder degrees F designed diameter diametral pitch direct current disk drill driving duralumin electric electromotive force engine equal feed finished force forging friction furnace gage gear grinding wheel hardening hardness heat heat-treatment high-speed steel hole horsepower known lathe length load lubricant machine magnetic manganese manufacture material measured mechanical melting metal method milling milling cutters milling machines mold motor nickel obtained operation oxide Phenolic pipe piston plane plate pounds per square pressure produced resistance rotation screw screw thread shaft shape specific gravity speed spindle square inch standard steam surface taper temperature tensile strength thickness thread tion tool tooth tube usually valve varies voltage weight welding wire zinc