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 Parabolic formula Rankine Perry Straight line formula Parabolic formula Rankine Perry Straight line formula ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The strain energy due to volumetric strain Is directly proportional to the volume Is directly proportional to the square of exerted pressure Is inversely proportional to Bulk modulus All of these Is directly proportional to the volume Is directly proportional to the square of exerted pressure Is inversely proportional to Bulk modulus All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The moment of inertia of a triangular section (height h, base b) about its base, is bh³/12 b³h/12 bh²/12 b²h/12 bh³/12 b³h/12 bh²/12 b²h/12 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, All of these Horizontal thrust is wl2/8h B.M. will be zero throughout S.F. will be zero throughout All of these Horizontal thrust is wl2/8h B.M. will be zero throughout S.F. will be zero throughout ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is 0.003 0.001 0.002 0.0025 0.003 0.001 0.002 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = S – F Q = S × F Q = S + F Q = F – S Q = S – F Q = S × F Q = S + F Q = F – S ANSWER DOWNLOAD EXAMIANS APP
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