0 votes 0 votes A four bar mechanism is shown below. For the mechanism to be a crank-rocker mechanism, the length of the link $PQ$ can be $80\: mm$ $200\: mm$ $300\: mm$ $350\: mm$ Applied Mechanics and Design gateme-2020-set1 applied-mechanics-and-design theory-of-machines dynamic-analysis-of-linkages + – go_editor asked Feb 19, 2020 recategorized Mar 6, 2021 by Lakshman Bhaiya ♦go_editor 5.0k points answer See all 0 reply