16.A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be

17.Select the correct statement

18.When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

19.The maximum bending moment due to a train of wheel loads on a simply supported girder

20.For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust