Which of the following is true?(a) sections with greater lateral bending and torsional stiffness have great resistance to bending(b) sections with lesser lateral bending and torsional stiffness have great resistance to bending(c) sections with greater lateral bending and torsional stiffness have less resistance to bending(d) lateral instability of beam cannot be reduced by selecting appropriate shapesThis question was posed to me by my school principal while I was bunking the class.The doubt is from Lateral Torsional Buckling in section Design of Beams of Design of Steel Structures

Which of the following is true?(a) sections with greater lateral bendi

1.	Which of the following is true?(a) sections with greater lateral bending and torsional stiffness have great resistance to bending(b) sections with lesser lateral bending and torsional stiffness have great resistance to bending(c) sections with greater lateral bending and torsional stiffness have less resistance to bending(d) lateral instability of beam cannot be reduced by selecting appropriate shapesThis question was posed to me by my school principal while I was bunking the class.The doubt is from Lateral Torsional Buckling in section Design of Beams of Design of Steel Structures
Answer» CORRECT ANSWER is (a) SECTIONS with greater lateral bending and torsional stiffness have great resistance to bending To explain: Lateral instability of beam can be reduced by selecting APPROPRIATE shapes. Sections with greater lateral bending and torsional stiffness have great resistance to bending.

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Which of the following are not correct regarding design of beams with openings?(a) diameter of circular opening should be restricted to 0.5D(b) for rectangular stiffened openings depth should be less than 0.7D and length less 2D(c) for rectangular unstiffened openings, depth should be less than 0.5D and length less than 1.5D(d) point load should be applied within a distance d from adjacent openingThis question was addressed to me in an interview for internship.My question is taken from Deflection & Holes in Beams in portion Design of Beams of Design of Steel Structures
Which of the following are correct regarding design of beams with openings?(a) web opening should be away from support by twice the beam depth(b) hole should be eccentrically placed in web(c) hole should not be placed within middle one third of the span(d) clear spacing between openings should be less than beam depthThis question was posed to me in an online quiz.This key question is from Deflection & Holes in Beams in section Design of Beams of Design of Steel Structures
The most critical location for failure due to web crippling is(a) flange cross section(b) middle of web(c) start of fillet(d) root of filletThe question was posed to me in an interview.Query is from Web Buckling & Crippling in portion Design of Beams of Design of Steel Structures
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The effective depth when top flanges are restrained against rotation but not against lateral deflection is(a) 2d/3(b) 2d(c) d(d) d/2I have been asked this question in examination.This is a very interesting question from Web Buckling & Crippling topic in chapter Design of Beams of Design of Steel Structures
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