Factor of safety is defined as the ratio of - Mechanics

Mechanical Engineering : Mechanics - Strength of Materials - Quiz(MCQ)

Factor of safety is defined as the ratio of

working stress to ultimate stress

breaking stress to ultimate stress

ultimate stress to breaking stress

ultimate stress to working stress

Correct Answer : Option (D) : ultimate stress to working stress

Recently Updated in Mechanics - Strength of Materials Questions

The ratio of linear stress to the linear strain is called

bulk modulus

Poisson's ratio

modulus of elasticity

modulus of rigidity

Correct Answer : modulus of elasticity

A riveted joint may fail by

shearing of rivets

tearing of the plate at an edge

tearing of the plate across a row of rivets

any one of the above

Correct Answer : any one of the above

A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The minimum normal stress will be

-100 MPa

250 MPa

300 MPa

400 MPa

Correct Answer : -100 MPa

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