Mechanics and Structure

61) Which of the following relations is correct?

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Factor of safety crippling load/safe load

62) For a column of given material, the Rankine’s constant depends on

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none of the above

63) The volumetric strain produced in a sphere is …… times the strain in its diameter

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three

64) which would give the Poisson’s ratio?

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ratio of lateral strain to longitudinal strain

65) Which of the following gives Modulus of Elasticity?

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ratio of linear stress to linear strain

66) which would give the modulus of rigidity?

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ratio of shear stress to shear strain

67) The property that is responsible for the body to return to its original shape after the removal of the external load is known as

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elasticity

68) which would give the bulk modulus?

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ratio of the normal stress (of equal magnitude on all six faces) on a solid cube to the volumetric strain

69) As per elastic theory of design the factor of safety is the ratio of

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yield stress to working stress

70) The percentage reduction in area of a member from a direct tension test indicates

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ductility

Subject Notes

Objective Box

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