Q. A tensile load of 100kN is suddenly applied to a rectangular bar of dimension 2cmx4cm. What will be the instantaneous stress in bar?

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Q. 2 tensile load of 100kN is suddenly applied to a rectangular bar of dimension 2cmx4cm and length of 5m. What will be the strain energy absorbed in the bar if E=1×10⁵ N/mm²?

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Q. A steel rod is 2m long and 50mm in diameter. A axial pull of 100kN is suddenly applied to the rod. What will be the instantaneous stress induced in the rod?

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Q. A steel rod is 2m long and 50mm in diameter. An axial pull of 100kN is suddenly applied to the rod. What will be the instantaneous elongation produced in the rod if E=22GN/m²?

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Q. What will be the amount of axial pull be applied on a a 4cm diameter bar to get an instantaneous stress value of 143 N/mm²?

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Q. What will be the instantaneous stress produced in a bar 10cm² in area ans 4m long by the sudden application of tensile load of unknown magnitude, if the extension of the bar due to suddenly applied load is 1.35mm if E = 2×10⁵ N/mm²?

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Q. What is the strain energy stored in a body when the load is applied gradually?

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Q. What is strain energy?

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Q. What is the relation between maximum stress induced due to gradual load to maximum stress the sudden load?

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Q. A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5cm long. What will be the stress in the rod if E=1×10⁵ N/mm²?

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Q. A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 10m long. What will be the stress in the rod if E=1×10⁵ N/mm²?

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Q. A tensile load of 100kN is gradually applied to a rectangular bar of dimension 2cmx4cm. What will be the stress in bar?

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Q. A tensile load of 100kN is gradually applied to a rectangular bar of dimension 2cmx4cm and length of 5m. What will be the strain energy in the bar if E=1×10⁵ N/mm²?

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Q. A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 10m long. What will be the strain energy absorbed by the rod if E=1×10⁵ N/mm²?

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Q. A uniform bar has a cross sectional area of 700mm and a length of 1.5m. if the stress at the elastic limit is 160 N/mm, what will be the value of gradually applied load which will produce the same extension as that produced by the suddenly applied load above?

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Q. A tension bar 6m long is made up of two parts, 4m of its length has cross sectional area of 12.5cm while the remaining 2m has 25cm. An axial load 5tonnes is gradually applied. What will be the total strain energy produced if E = 2 x 10⁶ kgf/cm²?

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Q. What is the strain energy stored in a body when the load is applied with impact?

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Q. What is the value of stress induced in the rod due to impact load?

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Q. What will be the stress induced in the rod if the height through which load is dropped is zero?

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Q. A weight of 10kN falls by 30mm on a collar rigidly attached to a vertical bar 4m long and 1000mm² in section. What will be the instantaneous stress (E=210GPa)?

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