378) The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of [where xu is the depth of neutral axis at the limit state of collapse]

379) The design yield stress of steel according to IS: 456-1978 is [where fy is the characteristic yield strength of steel]

380) According to Whitney's theory, ultimate strain of concrete is assumed to be

381) According to Whitney's theory, depth of stress block for a balanced section of a concrete beam is limited to [where d is effective depth of beam[ES 2k]]

382) The load factors for live load and dead load are taken respectively as