Two steel columns P (length L and yield strength fy = 250 MPa) and Q (length 2L

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Two steel columns P (length L and yield strength fy = 250 MPa) and Q (length 2L and yield strength fy = 500 MPa) have the same cross-sections and end-conditions. The ratio of buckling load of column P to that of column Q is:

Options:

A . 0.5

B . 1.0

C . 2.0

D . 4.0

Answer: Option D

-NA-

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