A vibrating system with unity as damping factor will be Theory of Machines Mcqs April 7, 2019 BILAL KHATTAK0 A.Critically damped B.Damped to safe limits C.Damped to 1% of critical speed D.Partly damped E.Free from vibrations Related Mcqs: In vibration analysis ‘Beat’ frequency is The vibrations in which the restoring forces are not proportional to the displacements and the first power of velocity are known as A stretched string of a guitar when operated is subjected to The secondary critical speed of a shaft occurs at An axial flow fan balanced at one speed often exhibits substantial vibrational effects when operated at other speeds, mainly due to Critical speed of turbine is In air compressor performance curve a surge line represents Which of the following equipment has power factor closer to unity If the power factor of an electrical system is unity, it means Forced vibrations