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An unsymmetrical flexural member consists of a 3” × 18” top flange, a 3” × 10” bottom flange, and a 1” × 51” web. Determine the distance from the top of the shape to the horizontal plastic neutral axis.

For a W-shape beam with a moment of inertia of 600 in.4 and a depth of 18 in., determine its yield moment, My. Assume the steel is A913 Grade 65.

Determine the nominal flexural strength, Mn, of a W16x36 for a simple span of 22 ft with continuous lateral support. Use Fy = 85 ksi and Cb = 1.0.

A tee shape made from A572 Grade 65 steel is fabricated from two plates of steel. The flange plate is 0.375 in. × 14 in., and the stem plate is 0.625 in. × 9 in. Determine whether the shape is compact, noncompact or slender.

A W12x40 made of A572 Grade 60 steel is subjected to a maximum bending moment of 160 kip-ft about its x-axis. Determine the maximum magnitude of bending stress in the beam.

A tee shape made from A572 Grade 60 steel is fabricated from two plates of steel. The flange plate is 0.500 in. × 11 in., and the stem plate is 0.500 in. × 7 in. Determine whether the shape is compact, noncompact or slender.

A tee shape made from A572 Grade 60 steel is fabricated from two plates of steel. The flange plate is 0.625 in. × 16 in., and the stem plate is 0.625 in. × 7 in. Determine whether the shape is compact, noncompact or slender.

Determine the nominal flexural strength, Mn, of a W14x90 for a simple span of 16 ft with continuous lateral support. Use Fy = 85 ksi and Cb = 1.0.

The beam is braced at A, B, and C. Determine the lateral-torsional-buckling modification factor, Cb, for the unbraced length AB. Let P = 115 kip, L1 = 13 ft, and L2 = 7 ft.

A tee shape made from A36 steel is fabricated from two plates of steel. The flange plate is 0.500 in. × 17 in., and the stem plate is 0.625 in. × 6 in. Determine whether the shape is compact, noncompact or slender.