Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called None of these Fixed instantaneous centers Neither fixed nor permanent instantaneous centers Permanent instantaneous centers None of these Fixed instantaneous centers Neither fixed nor permanent instantaneous centers Permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Five link mechanism Roller cam mechanism Slider crank mechanism Kinematic chain Five link mechanism Roller cam mechanism Slider crank mechanism Kinematic chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Three-fourth Two-third One-half Whole Three-fourth Two-third One-half Whole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing means Balancing partially revolving masses Balancing partially reciprocating masses All of these Best balancing of engines Balancing partially revolving masses Balancing partially reciprocating masses All of these Best balancing of engines ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω × AB ω × (AB)² (ω × AB)² ω² × AB ω × AB ω × (AB)² (ω × AB)² ω² × AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Decreases First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases Remain unaffected Increases ANSWER DOWNLOAD EXAMIANS APP