Theory of Machine The example of completely constrained motion is a All of these Motion of a square bar in a square hole Motion of a piston in the cylinder of a steam engine Motion of a shaft with collars at each end in a circular hole All of these Motion of a square bar in a square hole Motion of a piston in the cylinder of a steam engine Motion of a shaft with collars at each end in a circular hole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap. Corners Outer edge Inner edge None of these Corners Outer edge Inner edge None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle Two lines A triangle A point A straight line Two lines A triangle A point A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links Will not occur Will remain same Could change or remain unaltered depending on which link is fixed Will change Will not occur Will remain same Could change or remain unaltered depending on which link is fixed Will change 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 The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c/(m + M) g c/(m - M) g c (m - M) g c (m + M) g c/(m + M) g c/(m - M) g c (m - M) g c (m + M) g ANSWER DOWNLOAD EXAMIANS APP