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Rectangular bar in a rectangular hole is the following type of pair

A. Completely constrained motion

B. Partially constrained motion

C. Incompletely constrained motion

D. Freely constrained motion

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

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  24. A combination of kinematic pairs, joined in such a way that the relative motion between the links is…
  25. In order to give a complete secondary balance of a multi-cylinder inline engine,
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