Theory of Machine In a ball bearing, ball and bearing forms a Spherical pair Screw pair Rolling pair Turning pair Spherical pair Screw pair Rolling pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° - φ α = 45° + φ/2 α = 45° - φ/2 α = 90° + φ α = 90° - φ α = 45° + φ/2 α = 45° - φ/2 α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Open pair Closed pair Point contact pair Sliding pair Open pair Closed pair Point contact pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. Unpredictable Different None of these Same Unpredictable Different None of these Same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Knuckle joint Universal joint Oldham's coupling Flexible coupling Knuckle joint Universal joint Oldham's coupling Flexible coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Three-fourth Two-third Whole One-half Three-fourth Two-third Whole One-half ANSWER DOWNLOAD EXAMIANS APP
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