Theory of Machine The lower pairs are _________ pairs. None of these Self-closed Friction closed Force-closed None of these Self-closed Friction closed Force-closed 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 = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Watt governor Pickering governor Porter governor Hartnell governor Watt governor Pickering governor Porter governor Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, if one of the belts is broken, then we should replace The broken belt only All the belts The broken belt and the belts on either side of it None of these The broken belt only All the belts The broken belt and the belts on either side of it None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cross head and guides form a Sliding pair Higher pair Turning pair Lower pair Sliding pair Higher pair Turning pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂)/y ANSWER DOWNLOAD EXAMIANS APP
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