According to Rankine's theory, the failure occurs at a point in a member
A. When the maximum shear stress in a biaxial stress system reaches the shear stress at elastic limit in a simple tension test
B. When the maximum principal stress in a biaxial stress system reaches the elastic limit of the material in a simple tension test
C. When the strain energy per unit volume in a biaxial stress system reaches the strain energy at the elastic limit per unit volume as determined from a simple tension test
D. When the maximum principal strain in a biaxial stress system reaches the strain at the elastic limit as determined from a simple tension test
Answer: Option B
A cotter joint is used to connect two __________ rods.
A. Co-axial
B. Perpendicular
C. Parallel
D. None of these
The rated life of a bearing varies
A. Directly as load
B. Inversely as square of load
C. Inversely as cube of load
D. Inversely as fourth power of load
The bending stress in a curved beam is
A. Zero at the centroidal axis
B. Zero at the point other than centroidal axis
C. Maximum at the neutral axis
D. None of these
The centre to centre distance between two consecutive rivets in a row, is called
A. Margin
B. Pitch
C. Back pitch
D. Diagonal pitch
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