The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 571
-8X0.447 = 27.72 7,31.3-12X0.447 =25.94 tons. 8, 4X0.8944= 3.58 9, 8X0.8944= 7.16 10, 2X2 =4 11, 4X2 =8 12, 6X2 =12 The Economical Angle. — A structure of tri-angular form, Fig. 135, is supported at a and b. Itsustains any load L, the elements cc being in com-pression and t in tension. Required the… … Fig. 135. the crushing and the tensile strength respectively of the material employed. It is applicable to any material. For C = T, 9 = 543/4°. For C = 0.4 T (yellow pine), 9 = 493/40. For Cj= 0.8 T (soft steel), 9 = 531/4°. For C = 6 T (cast iron), 0= 691/4°. PYROMETRY. 523 HEAT. THERM031ETERS.…
Mechanical engineering
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