Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.6 0.8 0.2 0.4 0.6 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Increasing the ball mass Increasing the spring stiffness Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass Increasing the spring stiffness Decreasing the spring stiffness Decreasing the ball mass ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An automobile steering gear is an example of Higher pair Lower pair Sliding pair Rolling pair Higher pair Lower pair Sliding pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Left side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Right side pivot of this link Left side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Right side pivot of this link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Bifilar suspension method is used to find the Periodic time of the body Moment of inertia of the body Angular acceleration of the body Frequency of vibration of the body Periodic time of the body Moment of inertia of the body Angular acceleration of the body Frequency of vibration of the body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Spherical pairs Self-closed pairs Sliding pairs Turning pairs Spherical pairs Self-closed pairs Sliding pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP