Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become fn/2 8 fn 4 fn 2 fn fn/2 8 fn 4 fn 2 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be Isochronous Stable None of these Unstable Isochronous Stable None of these Unstable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it Leads the sliding velocity vector by 90° Is along the sliding velocity vector Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Leads the sliding velocity vector by 90° Is along the sliding velocity vector Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For simple harmonic motion of the of follower, a cosine curve represents Acceleration diagram Velocity diagram All of these Displacement diagram Acceleration diagram Velocity diagram All of these Displacement diagram ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following disciplines provides study of relative motion between the parts of a machine? Applied mechanics Mechanisms Kinematics Theory of machines Applied mechanics Mechanisms Kinematics Theory of machines ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of energy is the Ratio of the mean resisting torque to the work-done per cycle Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line Difference between the maximum and minimum energies Ratio of the mean resisting torque to the work-done per cycle Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line Difference between the maximum and minimum energies ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS