119) The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

120) According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

121) The best arrangement to provide unified behaviour in built up steel columns is by

122) If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

123) The use of tie plates in laced columns is