A mild steel structural section is an unsymmetrical I-section, with th – McqOptions

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1.	A mild steel structural section is an unsymmetrical I-section, with the greater width at the top and the smaller width at the bottom. The overall depth of the beam is 300 mm, and the flange stresses at the top and the bottom of the beam are 150 N/mm2 and 50 N/mm2 respectively. What is the height of the neutral axis of the beam from its bottom?
A.	125 mm
B.	100 mm
C.	75 mm
D.	50 mm
Answer» D. 50 mm

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