63) One of the methods of aligning lathe centres is trial cut method. The diameter at the tailstock end is found to be bigger than the headstock end by 0.1 mm after the trial cut. Before the next trial cut the tailstock body should be moved by

64) Taper turning by using compound slide method can cause the following defect.

65) One of the taper turning methods is by offsetting the tailstock. Which part of the tailstock is offset ?

66) Lead is the metal used for balancing weight during lathe face plate work. The reason for using lead is that it is very

67) While power feed is engaged when turning taper by using taper turning attachment, it is noticed that for short distance parallel turning takes place due to certain defect. Which one of the following is the cause for this defect ?