| 1. | The shear modulus of most materials with respect to the modulus of elasticity is ? | |
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equal to half
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less than half
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more than half
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none of these
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Report Question| 2. | Mohr's circle is used to determine the stresses on an oblique section of a body subjected to ? | |
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direct tensile stress in one plane accompanied by a shear stress
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direct tensile stress in two mutually perpendicular directions
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direct tensile stress in two mutually perpendicular directions accompanied by a simple shear stress
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all of the above
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| 3. | In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contra flexur ? | |
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lies in the centre of the beam
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lies at the ends of the beam
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depends upon the length of beam
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does not exist
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| 4. | A beam of triangular section is placed with its base horizontal The maximum shear stress occurs at ? | |
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apex of the triangle
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mid of the height
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centre of gravity of the triangle
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base of the triangle
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| 5. | The Poisson's ratio for steel varies from ? | |
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0.23 to 0.27
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0.25 to 0.33
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0.31 to 0.34
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0.32 to 0.42
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| 6. | A beam encastered at both the ends is called ? | |
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simply supported beam
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fixed beam
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cantilever beam
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continuous beam
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| 7. | Modulus of rigidity may be defined as the ratio of ? | |
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linear stress to lateral strain
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lateral strain to linear strain
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linear stress to linear strain
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shear stress to shear strain
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| 8. | In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the ? | |
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normal stress remains constant in all directions
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normal stress varies linearly in the material
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elastic constants are in all the directions
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elastic constants varies linearly in the material
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| 9. | The point of contra flexure occurs in ? | |
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cantilever beams
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simply supported beams
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overhanging beams
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fixed beams
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| 10. | The maximum stress produced in a bar of tapering section is at ? | |
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smaller end
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larger end
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middle
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anywhere
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