23) Which one of the following statements in respect of eccentric turning is correct ?

In an eccentric shaft, the centres of the individual diameters are displayed

Eccentric shaft can be turned by holding it in a three-jaw chuck

Higher speed is chosen for eccentric turning

It is preferred to give more depth of cut in the beginning while turning an eccentric shaft

Answer is:

In an eccentric shaft, the centres of the individual diameters are displayed

Thread chasing dial is used to catch the thread when threading on lathe

Worm gear of chasing dial engages with the lead screw while thread chasing

Thread chasing dial is an additional part of the lathe carriage

Thread chasing dial stops rotating when the half nut lever is engaged

Answer is:

only at one particular position

only at numbered or un-numbered division

at opposite position

anywhere

Answer is:

During turning, after giving one depth of cut, the diameter is reduced equal to double the depth

Carbide tipped tool can withstand shock load

When turning bigger diameter job, the rpm is proportionally increased

When turning smaller diameter job, the rpm is proportionally decreased

Answer is:

24 teeth

18 teeth

12 teeth

6 teeth

Answer is: