For the fillet weld of size $$'S'$$ shown in the adjoining figure the effective throat thickness is

A disc of radius $$'r'$$ has a hole of radius $$'r/2'$$ cut-out as shown. The centroid of the remaining disc (shaded portion) at a radial distance from the center $$''O''$$ is

Consider a simply supported beam with a uniformly distributed load having a neutral axis $$(NA)$$ as shown. For points $$P$$ (on the neutral axis) and $$Q$$ (at the bottom of the beam) the state of stress is best represented by which of the following pairs? (elements $$P$$ & $$Q$$ are taken slightly right of mid span).

For the cantilever bracket, $$PQRS,$$ loaded as shown in the adjoining figure $$(PQ=RS=L,$$ and $$QR=2L),$$ which of the following statements is FALSE ?