Theory of Structures The ratio of maximum shear stress to average shear stress of a circular beam, is 3/2 4/7 4/3 2/3 3/2 4/7 4/3 2/3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A cantilever of length ‘L’ is subjected to a bending moment ‘M’ at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is ML/EI ML²/3EI ML/2EI ML²/2EI ML/EI ML²/3EI ML/2EI ML²/2EI ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is 100 N/mm 2 150 N/mm² 120 N/mm² 80 N/mm² 100 N/mm 2 150 N/mm² 120 N/mm² 80 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At yield point of a test piece, the material Undergoes plastic deformation Obeys Hooke’s law Regains its original shape on removal of the load Behaves in an elastic manner Undergoes plastic deformation Obeys Hooke’s law Regains its original shape on removal of the load Behaves in an elastic manner ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is 2/7 1/7 4/7 3/7 2/7 1/7 4/7 3/7 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: 4.125 cm² 2.125 cm³ 1.125 cm³ 3.125 cm³ 4.125 cm² 2.125 cm³ 1.125 cm³ 3.125 cm³ ANSWER DOWNLOAD EXAMIANS APP
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