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 All of these B.M. will be zero throughout S.F. will be zero throughout Horizontal thrust is wl2/8h All of these B.M. will be zero throughout S.F. will be zero throughout 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 Perry Straight line formula Parabolic formula Rankine Perry Straight line formula ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For beams breadth is constant, Depth d 3 Depth d 1/M Depth d Depth d M Depth d 3 Depth d 1/M Depth d Depth d M ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The stiffness of the close coil helical spring is d4N/8D3n 4D3N/d4n 8D3N/d4n d4N/4D3n d4N/8D3n 4D3N/d4n 8D3N/d4n d4N/4D3n 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 (3/2)K (1 – 2/m) = N (1 + 1/m) All of these E = 2N (1 + 1/m) E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) All of these E = 2N (1 + 1/m) E = 3K (1 – 2/m) 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 0.001 0.0025 0.002 0.003 0.001 0.0025 0.002 0.003 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS