Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 270° 90° 0° 180° 270° 90° 0° 180° 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 Reduce vibration Reduce slip Ensure proper alignment Ensure uniform loading Reduce vibration Reduce slip Ensure proper alignment Ensure uniform loading ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 6 4, 5 4, 4 5, 4 4, 6 4, 5 4, 4 5, 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sense of tangential acceleration of a link Could be either same or opposite to velocity Is same as that of velocity Is opposite to that of velocity Is perpendicular to that of velocity Could be either same or opposite to velocity Is same as that of velocity Is opposite to that of velocity Is perpendicular to that of velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ cosθ ω² × OQ tanθ ω² × OQ ω² × OQ sinθ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ ω² × OQ sinθ ANSWER DOWNLOAD EXAMIANS APP