Theory of Machine The critical speed of a shaft depends upon its Stiffness Mass and stiffness Stiffness and eccentricity Mass Stiffness Mass and stiffness Stiffness and eccentricity Mass ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A universal joint is an example of Lower pair Higher pair Rolling pair Sliding pair Lower pair Higher pair Rolling pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on A point obtained by intersection on extending adjoining links Right side pivot of this link Left side pivot of this link Can’t occur A point obtained by intersection on extending adjoining links Right side pivot of this link Left side pivot of this link Can’t occur ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism _________ for transmitting or transforming motion. Can be used None of these Can not be used Unpredictable Can be used None of these Can not be used Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Minimize the effect of primary forces Minimize the effect of secondary forces To start the locomotive quickly Have perfect balancing Minimize the effect of primary forces Minimize the effect of secondary forces To start the locomotive quickly Have perfect balancing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
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