Which of the following statement is correct?
A. The stress concentration in static loading is more serious in ductile materials and less serious in brittle materials
B. The stress concentration in static loading is more serious in brittle materials and less serious in ductile materials
C. The toughness of a material increases when it is heated
D. The shear stress in a beam varies from zero at the neutral surface and maximum at the outer fibres
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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