A built-up section consists of two miscellaneous channels MC 18 × 42.7 and one cover plate 2 mm × 500 mm. The channels are placed at 300 mm back to back with the flanges outstanding. O Determine the Ina(x)- ) Determine the Inacv)" roperties of MC 18 × 42.7: A = 8129.02 mm² tw = 11.43 mm d = 450 mm Iz = 230.59 × 10° mm* bf = 100.33 mm ly = 5.99 × 10° mm* ty = 15.88 mm ĩ = 22.28 mm

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
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Author:Saeed Moaveni
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Chapter12: Electric Current And Related Variables In Engineering
Section12.2: Electrical Circuits And Components
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A built-up section consists of two miscellaneous channels MC 18 × 42.7 and one cover plate
12 mm x 500 mm. The channels are placed at 300 mm back to back with the flanges outstanding.
a) Determine the Ina(x)-
b) Determine the Inav)-
Properties of MC 18 × 42.7:
A = 8129.02 mm²
tw = 11.43 mm
d = 450 mm
Ix = 230.59 x 106 mm*
br = 100.33 mm
ly = 5.99 x 10° mm*
%3D
tf = 15.88 mm
x = 22.28 mm
MC 18 × 42.7
Transcribed Image Text:A built-up section consists of two miscellaneous channels MC 18 × 42.7 and one cover plate 12 mm x 500 mm. The channels are placed at 300 mm back to back with the flanges outstanding. a) Determine the Ina(x)- b) Determine the Inav)- Properties of MC 18 × 42.7: A = 8129.02 mm² tw = 11.43 mm d = 450 mm Ix = 230.59 x 106 mm* br = 100.33 mm ly = 5.99 x 10° mm* %3D tf = 15.88 mm x = 22.28 mm MC 18 × 42.7
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