How does the movable jaw of a pipe vice operate?How does the movable jaw of a pipe vice operate?Vertically Horizontally Diagonally It doesn’t move Right Answer is: Vertically SOLUTION The movable jaw of a pipe vice typically operates Vertically. In a pipe vice, there are two set screws in the movable jaw that allow the jaw to move vertically when the handle is operated. This arrangement allows the jaw to move up and down without rotating.