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 0.5 1.5 2 1 0.5 1.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from 70°- 80° 60°-70° 50°- 60° 80°- 90° 70°- 80° 60°-70° 50°- 60° 80°- 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Watt governor Pickering governor Hartnell governor Porter governor Watt governor Pickering governor Hartnell governor Porter governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Zero Greater than unity Less than unity Equal to unity Zero Greater than unity Less than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the path of approach)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the arc of contact)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Sliding pairs Self-closed pairs Turning pairs Spherical pairs Sliding pairs Self-closed pairs Turning pairs Spherical pairs ANSWER DOWNLOAD EXAMIANS APP
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