| 1. | The thermal or temperature stress is a function of ? | |
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increase in temperature
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modulus of elasticity
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coefficient of linear expansion
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all of these
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Report Question| 2. | When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as ? | |
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Young's modulus
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modulus of rigidity
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bulk modulus
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Poisson's ratio
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| 3. | Resilience is the ? | |
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energy stored in a body when strained within elastic limits
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energy stored in a body when strained upto the breaking of the specimen
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maximum strain energy which can be stored in a body
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none of the above
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| 4. | When a load on the free end of a cantilever beam is increased, failure will occur ? | |
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at the free end
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at the fixed end
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in the middle of the beam
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at a distance 21/3 from free end
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| 5. | The load required to produce a unit deflection in a spring is called ? | |
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flexural rigidity
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torsional rigidity
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spring stiffness
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Young's modulus
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| 6. | A steel bar 2 m long, 20 mm wide and 10 mm thick is subjected to a pull of 2 kN. If the same bar is subjected to a push of 2 kN, the Poission's ratio of the bar in tension will be .............. the Poisson's ratio for the bar in compression ? | |
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equal to
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less than
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greater than
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both c and d
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| 7. | Within elastic limit, shear stress is................. shear strain ? | |
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equal to
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less than
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directly proportional to
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inversely proportional to
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| 8. | When a body is subjected to a direct tensile stress (?) in one plane, the maximum shear stress is............... the maximum normal stress ? | |
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equal to
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one-half
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two-third
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twice
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| 9. | A simply supported beam 'A' of length 4, breadth b and depth d carries a central load W. Another beam 'B' of the same dimensions carries a central load equal to 2 W. The deflection of beam 'B' will be.............as that of beam 'A' ? | |
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one-fourth
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one-half
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double
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four times
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| 10. | The energy stored in a body when strained within elastic limit is known as ? | |
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resilience
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proof resilience
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strain energy
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impact energy
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