Q. If forces P, P and P of a system are such that the force polygon does not close, then the system will __________

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Q. The strain energy in a member is proportional to __________

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Q. A bar of cross-section A and length L is subjected to an axial load W. the strain energy stored in the bar would be __________

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Q. A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is the stretch in the rod if E = 2×10⁵ N/mm²?

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Q. A tensile load of 50kN is gradually applied to a circular bar of 5cm diameter and 5m long. What is the strain energy absorbed by the rod (E = 200GPa)?

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Q. A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is the strain energy in the rod if the load is applied suddenly (E = 2×10⁵ N/mm²)?

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Q. The ability of a material to absorb energy when elastically deformed and to return it when unloaded is called __________

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Q. The strain energy stored in a specimen when stained within the elastic limit is known as __________

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Q. The maximum strain energy stored at elastic limit is __________

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Q. The mathematical expression for resilience ‘U’ is __________

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Q. What is the modulus of resilience?

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Q. The property by which an amount of energy is absorbed by material without plastic deformation is called __________

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Q. Resilience of a material plays important role in which of the following?

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Q. A steel has its yield strength of 200N/mm² and modulus of elasticity of 1x10⁵MPa. Assuming the material to obey hookes law up to yielding, what will be its proof resilience?

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Q. A 1m long bar of uniform section extends 1mm under limiting axial stress of 200N/mm². What is the modulus of resilience for the bar?

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Q. A square steel bar of 10mm side and 5m length is subjected to a load whereupon it absorbs a strain energy of 100J. what is its modulus of resilience?

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

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

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Q. A tensile load of 60kN is suddenly applied to a circular bar of 4cm diameter. What will be the maximum instantaneous stress induced?

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Q. A tensile load of 60kN is suddenly applied to a circular bar of 4cm and 5m length. What will be the strain energy absorbed by the rod if E=2×10⁵ N/mm²?

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