Which one of the following is NOT a part of the taper turning attachment ?

76) Which among of the following methods can be used for cutting long and narrow external taper threads ?

77) When using a yoke type taper turning attachment, the depth of cut is given by

78) Which one of the following methods is used to press the mandrel squarely to the workpiece ?

79) Which among the following is the cause for incorrect pitch of thread during thread cutting with single point tool ?