In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by
A. Decreasing the cross-section area of bar
B. Increasing the cross-section area of bar
C. Remain unaffected with cross-section area
D. Would depend upon other factors
Answer: Option A
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A cotter joint is used to connect two __________ rods.
A. Co-axial
B. Perpendicular
C. Parallel
D. None of these
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C. Inversely as cube of load
D. Inversely as fourth power of load
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A. Zero at the centroidal axis
B. Zero at the point other than centroidal axis
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