Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 1/2π (1/2π). √(q/I) 2π. √(q/I) 2π qI 1/2π (1/2π). √(q/I) 2π. √(q/I) 2π qI ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Equal to velocity ratio of a gear train Always greater than unity Always less than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train Always greater than unity Always less than unity Reciprocal of velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Point contact pair Closed pair Open pair Sliding pair Point contact pair Closed pair Open pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which gear is used for connecting two coplanar and intersecting shafts? None of these Spur gear Bevel gear Helical gear None of these Spur gear Bevel gear Helical gear ANSWER DOWNLOAD EXAMIANS APP
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° 0° 90° 180° 270° 0° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, the fixed instantaneous centers are those centers which Vary with the configuration of the mechanism Moves as the mechanism moves, but joints are of permanent nature None of the listed here Remain in the same place for all configurations of the mechanism Vary with the configuration of the mechanism Moves as the mechanism moves, but joints are of permanent nature None of the listed here Remain in the same place for all configurations of the mechanism ANSWER DOWNLOAD EXAMIANS APP
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