0 0 votes In a machining operation, if a cutting tool traces the workpiece such that the directrix is perpendicular to the plane of the generatrix as shown in figure, the surface generated is plane cylindrical spherical a surface of revolution Machining and Machine Tool Operations gateme-2021-set1 machining-and-machine-tool-operations applied-mechanics-and-design + – ♦gatecse 653 views answer comment Share Follow Add Sync Questions 0 reply Please log in or register to add a comment.