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Theory of Machines - Interview Questions and Answers

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131. Kinematic pairs are those which have
A. two elements held together mechanically
B. two elements having relative motion
C. two elements having Coroili's component
D. minimum of two instantaneous centers
E. all of the above.
Explanation:
132. A cam with a roller follower would con statute following type of pair
A. lower pair
B. higher pair
C. open pair
D. close pair
E. cam pair.
Explanation:
133. In its simplest form, a cam mechanism consists of following number of links
A. 1
B. 2
C. 3
D. 4
E. none.
Explanation:
134. An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has
A. 2 links
B. 3 links
C. 4 links
D. 5 links
E. none of the above.
Explanation:
135. 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.
Explanation:
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