Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3 Hz 3π Hz 6π Hz 6 Hz 3 Hz 3π Hz 6π Hz 6 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 30 15 8 28 30 15 8 28 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be Critically damped Over-damped Under damped Without vibrations Critically damped Over-damped Under damped Without vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of energy is the Variations of energy above and below the mean resisting torque line Ratio of the mean resisting torque to the work-done per cycle Difference between the maximum and minimum energies Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line Ratio of the mean resisting torque to the work-done per cycle Difference between the maximum and minimum energies Sum of the maximum and minimum energies ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called Coriolis component None of these Radial component Tangential component Coriolis component None of these Radial component Tangential component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two links are connected by a pin joint, their instantaneous center lies At the pin joint On their point of contact At the center of curvature At the center of circle At the pin joint On their point of contact At the center of curvature At the center of circle ANSWER DOWNLOAD EXAMIANS APP