141) Bearing stiffeners are provided at i) the supports ii)the mid span iii) the point of application of concentrated loads The correct answer is

142) Rivets connecting flange angles to cover plates in a plate girder are subjected to

143) The maximum spacing of vertical stiffeners is[where d is the distance between flange angles]

144) The range of economical spacing of trusses varies from

145) The maximum permissible span of asbestos cement sheets is