3) Which one of the following is used only for finishing and maintaining correct form of thread ?

Tap

Threading tool

Threading chaser

Tipped tool

Answer is:

Threading chaser

Explanation:

Threading chaser is used only for finishing and maintaining correct form of thread.

Turning soft material

Turning ductile materials and to break the chips

Turning cast iron

Turning hardened materials

Answer is:

Facing tool

Turning tool

Form tool

Boring tool

Answer is:

Explanation:

A tool, which is used to enlarge a previously drilled hole is known as Boring tool.

Front clearance angle increases

Front clearance angle decreases

Front clearance angle remains the same

Front clearance angle becomes zero

Answer is:

Boring

External threading

Internal threading

All the above

Answer is: