Civil Engineering - Theory of Structures

The degree of indeterminacy of the frame in the given figure, is

The equivalent length of a column of length L having one end fixed and the other end free, is

To determine the force in BD of the truss shown in the given figure a section is passed through BD, CD and CE, and the moments are taken about

The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is

The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is