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: 3.125 cm³ 4.125 cm² 1.125 cm³ 2.125 cm³ 3.125 cm³ 4.125 cm² 1.125 cm³ 2.125 cm³ 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 611 N mm 511 N mm 411 N mm 711 N mm 611 N mm 511 N mm 411 N mm 711 N mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is L/2d (L/2d)² L/d (L/3d)² L/2d (L/2d)² L/d (L/3d)² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The vertical reaction for the arch is wa/l wl/a wa/2l wa²/2l wa/l wl/a wa/2l wa²/2l ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures In plastic analysis, the shape factor for a circular section, is 1.7 1.2 1.5 1.3 1.7 1.2 1.5 1.3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is 4W²Dn/d4N 4W²D3n/d4N 4W²D3n²/d4N 4WD²n/d4N 4W²Dn/d4N 4W²D3n/d4N 4W²D3n²/d4N 4WD²n/d4N ANSWER DOWNLOAD EXAMIANS APP
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