Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 2 1 0.5 1.5 2 1 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to Ensure proper alignment Reduce vibration Reduce slip Ensure uniform loading Ensure proper alignment Reduce vibration Reduce slip Ensure uniform loading ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In railway axle boxes, the bearing used is Cylindrical roller bearing Deep groove ball bearing Double row self aligning ball bearing Double row spherical roller bearing Cylindrical roller bearing Deep groove ball bearing Double row self aligning ball bearing Double row spherical roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the damping factor for a vibrating system is unity, then the system will be Without vibrations Critically damped Over damped Under damped Without vibrations Critically damped Over damped Under damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sense of tangential acceleration of a link Is opposite to that of velocity Is perpendicular to that of velocity Is same as that of velocity Could be either same or opposite to velocity Is opposite to that of velocity Is perpendicular to that of velocity Is same as that of velocity Could be either same or opposite to velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the arc of approach)/cosφ ANSWER DOWNLOAD EXAMIANS APP
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