1) Which one of the following tool angle is provided to avoid rubbing of the body of the tool with the workpiece ?

Rake angle

Helix angle

Clearance angle

None of the above

Answer is:

Clearance angle

Explanation:

Clearance angle is provided to avoid rubbing of the body of the tool with the work-piece

High speed steel

Tool steel

Tungsten carbide

High carbon steel

Answer is:

Tap

Threading tool

Threading chaser

Tipped tool

Answer is:

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.