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 E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) E = 2N (1 + 1/m) All of these E = 3K (1 – 2/m) (3/2)K (1 – 2/m) = N (1 + 1/m) E = 2N (1 + 1/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm², the bending strain energy stored in the bar, is 511 N mm 711 N mm 611 N mm 411 N mm 511 N mm 711 N mm 611 N mm 411 N mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The shape factor of standard rolled beam section varies from 1.40 to 1.50 1.20 to 1.30 1.10 to 1.20 1.30 to 1.40 1.40 to 1.50 1.20 to 1.30 1.10 to 1.20 1.30 to 1.40 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is 1/8 1/16 1/10 1/12 1/8 1/16 1/10 1/12 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: 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ 1.125 cm³ 4.125 cm² 2.125 cm³ 3.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The point of contraflexure is the point where M. is minimum M. is maximum S.F. is zero M. changes sign M. is minimum M. is maximum S.F. is zero M. changes sign ANSWER DOWNLOAD EXAMIANS APP
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