When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that
Muller Breslau's principle for obtaining influence lines is applicable to
(i) Trusses
(ii) Statically determinate beams and frames
(iii) Statically indeterminate structures, the material of which is elastic and follows Hooke's law
(iv) Any statically indeterminate structure
The correct answer is