Theory of Structures For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is 0.303 0.505 0.404 0.707 0.303 0.505 0.404 0.707 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In the truss, the force in the member AC is t compressive 6.25 t compressive t tensile 8.75 t tensile t compressive 6.25 t compressive t tensile 8.75 t tensile 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 All of these (3/2)K (1 – 2/m) = N (1 + 1/m) E = 2N (1 + 1/m) E = 3K (1 – 2/m) All of these (3/2)K (1 – 2/m) = N (1 + 1/m) E = 2N (1 + 1/m) E = 3K (1 – 2/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is: 2.125 cm³ 4.125 cm² 3.125 cm³ 1.125 cm³ 2.125 cm³ 4.125 cm² 3.125 cm³ 1.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be p/a² 4p/a² 2p/a² 3p/a² p/a² 4p/a² 2p/a² 3p/a² 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 Straight line formula Rankine Perry Parabolic formula Straight line formula Rankine Perry ANSWER DOWNLOAD EXAMIANS APP