Theory of Machine When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be Stable Isochronous Unstable Hunt Stable Isochronous Unstable Hunt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The axis of precession is __________ to the plane in which the axis of spin is going to rotate. None of these Both A and B Parallel Perpendicular None of these Both A and B Parallel Perpendicular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Magnification factor Damping factor Logarithmic decrement Damping coefficient Magnification factor Damping factor Logarithmic decrement Damping coefficient ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 1.4 N-s/m 529.2 N-s/m 18.52 N-s/m 52.92 N-s/m 1.4 N-s/m 529.2 N-s/m 18.52 N-s/m 52.92 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Frequency of vibrations is usually expressed in Number of cycles per minute Number of cycles per second Number of cycles per hour None of these Number of cycles per minute Number of cycles per second Number of cycles per hour None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = ar - b Fc = ar + b Fc = a/r + b Fc = ar Fc = ar - b Fc = ar + b Fc = a/r + b Fc = ar ANSWER DOWNLOAD EXAMIANS APP