Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 337.5 cm⁴ 437.5 cm⁴ 137.5 cm⁴ 237.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ 137.5 cm⁴ 237.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Is not changed but weight of the bob is decreased Must be decreased Is not changed but weight of the bob is increased Must be increased Is not changed but weight of the bob is decreased Must be decreased Is not changed but weight of the bob is increased Must be increased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The C.G. of a right circular cone lies on its axis of symmetry at a height of h/5 h/3 h/4 h/2 h/5 h/3 h/4 h/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The forces which meet at one point and have their lines of action in different planes are called Coplanar non-concurrent forces Non-coplanar concurrent forces Intersecting forces Non-coplanar non-current forces Coplanar non-concurrent forces Non-coplanar concurrent forces Intersecting forces Non-coplanar non-current forces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple harmonic motion, the position of equilibrium is always Stable Unstable None of these Neutral Stable Unstable None of these Neutral ANSWER DOWNLOAD EXAMIANS APP