6.Of the several prismatic beams of equal lengths, the strongest in flexure is the one having maximum

7.A prismatic beam of length 1 and fixed at both ends carries a uniformly distributed load. The distance of points of contraflexure from either end is

8.The radius of Mohr's circle for two equal unlike principal stresses of magnitude p is

9.A prismatic bar when subjected to pure bending assumes the shape of

10.The state of pure shear stress is produced by