Workability of concrete is influenced most by its

A propped cantilever beam of span $$L,$$ is loaded with uniformly distributed load of intensity $$w/unit$$ length, all through the span. Bending moment at the fixed end is

The forces in members $$'abc'$$ in the truss shown

A single bay single storey portal frame has a hinged left support and a fixed right support. It is loaded with $$u.d.l$$ on the beam. Which one of the following statements is true with regard to the deformation of the frame