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An exact straight line motion mechanism is a

A. Scott-Russell's mechanism

B. Hart's mechanism

C. Peaucellier's mechanism

D. All of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  2. Which of the following statement is wrong?
  3. A higher pair has__________.
  4. A point on a connecting link (excluding end points) of a double slider crank mechanism traces a
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  12. The ratio of the maximum displacement of the forced vibration to the deflection due to the static force,…
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  16. According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie…
  17. If some links are connected such that motion between them can take place in more than one direction,…
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