Theory of Structures For calculating the allowable stress of long columns σ0 = σy/n [1 - a (1/r)²]is the empirical formula, known as Rankine Perry Straight line formula Parabolic formula Rankine Perry Straight line formula Parabolic formula ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures P = 4π² EI/L² is the equation of Euler's crippling load if One end is fixed and other end is hinged Both the ends are hinged Both the ends are fixed One end is fixed and other end is free One end is fixed and other end is hinged Both the ends are hinged Both the ends are fixed One end is fixed and other end is free ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The equivalent length is of a column of length having both the ends fixed, is l L L/2 2 L l L L/2 2 L ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by Maximum compressive stress at the section Maximum tensile stress at the section Depth of the section Depth of the neutral axis Maximum compressive stress at the section Maximum tensile stress at the section Depth of the section Depth of the neutral axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A body is said to be in equilibrium if None of these It moves vertically It moves horizontally It rotates about its C.G. None of these It moves vertically It moves horizontally It rotates about its C.G. ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span, Horizontal thrust is wl2/8h B.M. will be zero throughout All of these S.F. will be zero throughout Horizontal thrust is wl2/8h B.M. will be zero throughout All of these S.F. will be zero throughout ANSWER DOWNLOAD EXAMIANS APP