124) Lacing bars in a steel column should be designed to resist

125) Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

126) Battening is preferable when the i) column carries axial load only ii) space between the two main components is not very large iii) column is eccentrically loaded The correct answer is

127) The effective length of a battened column is increased by

128) The overlap of batten plates with the main members in welded connections should be more than[where t is thickness of thinnest outside plate or angle]