Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/3 2mr²/5 mr²/3 3mr²/5 2mr²/3 2mr²/5 mr²/3 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys. Third Second None of these First Third Second None of these First ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is 2D/(D + d) 2D/(D - d) D/(D + d) D/(D - d) 2D/(D + d) 2D/(D - d) D/(D + d) D/(D - d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side (a) about an axis through its center of gravity is a4/36 a4/12 a4/4 a4/8 a4/36 a4/12 a4/4 a4/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act Zero at its upper end Perpendicular to the wall at its upper end Upward at its upper end Downward at its upper end Zero at its upper end Perpendicular to the wall at its upper end Upward at its upper end Downward at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) (1/2π). √(g/l) 2π. √(l/g) (1/2π). √(l/g) None of these (1/2π). √(g/l) 2π. √(l/g) (1/2π). √(l/g) None of these ANSWER DOWNLOAD EXAMIANS APP