Theory of Structures The vertical reaction for the arch is wl/a wa²/2l wa/2l wa/l wl/a wa²/2l wa/2l wa/l ANSWER DOWNLOAD EXAMIANS APP
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 Straight line formula Perry Parabolic formula Rankine Straight line formula Perry ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of None of these 1 : 1½ : 2 2 : 1½ : 1 1 : 1 : 2 None of these 1 : 1½ : 2 2 : 1½ : 1 1 : 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good E = 2N (1 + 1/m) (3/2)K (1 – 2/m) = N (1 + 1/m) E = 3K (1 – 2/m) All of these E = 2N (1 + 1/m) (3/2)K (1 – 2/m) = N (1 + 1/m) E = 3K (1 – 2/m) All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Pick up the correct statement from the following: The moment of inertia is calculated about the axis about which bending takes place If tensile stress is equal to axial stress, the section experiences compressive stress If tensile stress is less than axial stress, the section experiences compressive stress All of these The moment of inertia is calculated about the axis about which bending takes place If tensile stress is equal to axial stress, the section experiences compressive stress If tensile stress is less than axial stress, the section experiences compressive stress All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is 2 1/4 1 1/2 2 1/4 1 1/2 ANSWER DOWNLOAD EXAMIANS APP
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