The section modulus of a circular section about an axis through its C.G., is

A)
πd²/4
B)
πd²/16
C)
πd³/16
D)
πd³/32

Correct Answer : Option (D) :   πd³/32

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

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Theory of Machines
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