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Theory of Machines

In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________?

In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________?

A. 95 mm
B. slightly less than 95 mm
C. slightly more than 95 mm
D. 45 mm
E. none of the above

In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________? Read More »

Theory of Machines

Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?

Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?

A. right side pivot of this link
B. lift side pivot of this link
C. a point obtained by intersection on extending adjoining links
D. can’t occur
E. none of the above

Instantaneous center of rotation of a link in a four bar mechanism lies on _______________? Read More »

Theory of Machines

According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on___________________?

According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on___________________?

A. a triangle
B. a point
C. two lines
D. a straight line
E. a curve

According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on___________________? Read More »

Theory of Machines