17) Self-opening dies are used to cut threads up to :

25 mm diameter

50 mm diameter

100 mm diameter

150 mm diameter

Answer is:

100 mm diameter

Jacob's drill chuck cannot be held in flange tool holder

Drills, reamers, boring bars can be held in flange tool holder

A threading attachment is used for driving the saddle of turret lathe

A thread chasing attachment is used for driving the turret or capstan lathe

Answer is:

Plain turn work

Under cut work

Chamfer the edge of work

Provide support to the work when tools on cross slide are in operation

Answer is:

Under cutting for a length more than the tool width

Knurling

Taper turning in-between centres

Boring a step

Answer is:

Four-jaw chuck

Collet chuck

Self-centering chuck

Combination chuck

Answer is: