Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 3 Hz 6 Hz 6π Hz 3π Hz 3 Hz 6 Hz 6π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Joining the corresponding points At 45° to line as per (A) Not possible to determine with these data Perpendicular to line as per (A) Joining the corresponding points At 45° to line as per (A) Not possible to determine with these data Perpendicular to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed None of these Work-done at the sleeve for maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to π/2 π Zero One π/2 π Zero One ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. None of these Same as More than Less than None of these Same as More than Less than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP