Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is mr²/3 2mr²/5 3mr²/5 2mr²/3 mr²/3 2mr²/5 3mr²/5 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane. Meet Either ‘A’ or ‘B’ Do not meet None of these Meet Either ‘A’ or ‘B’ Do not meet None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is bd³/12 db³/36 bd³/36 db³/12 bd³/12 db³/36 bd³/36 db³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a right circular solid cone is at a distance of _________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.) h/6 h/3 h/4 h/2 h/6 h/3 h/4 h/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) π/ω 2π × ω ω/2π 2π/ω π/ω 2π × ω ω/2π 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Equal to 50% 1 Less than 50% Greater than 50% Equal to 50% 1 Less than 50% Greater than 50% ANSWER DOWNLOAD EXAMIANS APP