146) For no tension condition in the base of a short column of circular section, the line of action of the load should be within a circle of diameter equal to ______ of the main circle.

147) the limit of eccentricity for no tensile conditions for a column of circular section of diameter is

148) The load at which the column just buckles, is known as

149) For long columns, the value of buckling load is ______ crushing load

150) Compression members always tend to buckle in the direction of the