Mohr's circle is used to determine the stresses on an oblique section of a body subjected to

A)
direct tensile stress in two mutually perpendicular directions
B)
direct tensile stress in one plane accompanied by a shear stress
C)
direct tensile stress in two mutually perpendicular directions accompanied by a simple shear stress
D)
All of the above

Correct Answer : Option (D) :   All of the above

Recently Updated in Mechanics - Strength of Materials Questions
The ratio of linear stress to the linear strain is called
A)
bulk modulus
B)
Poisson's ratio
C)
modulus of elasticity
D)
modulus of rigidity

Correct Answer :   modulus of elasticity

A riveted joint may fail by
A)
shearing of rivets
B)
tearing of the plate at an edge
C)
tearing of the plate across a row of rivets
D)
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
A)
-100 MPa
B)
250 MPa
C)
300 MPa
D)
400 MPa

Correct Answer :   -100 MPa

Mechanical Engineering MCQ's

Theory of Machines
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Strength of Materials
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