# Questions & Answers of Analysis and design of tension and compression members

Question No. 9

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:

Question No. 9

The square root of the ratio of moment of inertia of the cross section to its cross sectional area is called

Question No. 31

Consider the following statements for a compression member:

I. The elastic critical stress in compression increases with decrease in slenderness ratio.
II. The effective length depends on the boundary conditions at its ends.
III. The elastic critical stress in compression is independent of the slenderness ratio.
IV. The ratio of the effective length to its radius of gyration is called as slenderness ratio.

The TRUE statements are