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 db³/12 bd³/12 bd³/36 db³/36 db³/12 bd³/12 bd³/36 db³/36 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) None of these 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) None of these 2π. √(l/g) (1/2π). √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. tanα/g t = 2u. cosα/g t = 2u/g.sinα t = 2u. sinα/g t = 2u. tanα/g t = 2u. cosα/g t = 2u/g.sinα t = 2u. sinα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Equal to 50% 1 Greater than 50% Less than 50% Equal to 50% 1 Greater than 50% Less than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is 0.5 mv2 0.5 mgv2 mgv2 mv2 0.5 mv2 0.5 mgv2 mgv2 mv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 / m m 1 - m 1 + m 1 / m m 1 - m 1 + m ANSWER DOWNLOAD EXAMIANS APP