35) A workpiece is chamfered to remove burrs. It is observed that the chamfer width is not uniform throughout the periphery of chamfer on the workpiece. Which one of the following is the cause for this defect ?

36) By which one of the following, a multi-start thread is cut on a lathe ?

37) If the lead screw has 6 TPI and there are 4 numbered divisions in the chasing dial, which one of the following will be the teeth worm wheel of chasing dial ?

38) While thread cutting on a lathe by using single-point tool, the tool moves in a path called as

39) Which one of the following diameters of the workpiece should be turned before cutting external threads ?