Unit 1. Theory of metal cutting

Which cutting condition affects the cutting temperature predominantly?

• Depth of cut

• Cutting speed

• Feed

• None of the above

Continuous chips are formed during metal cutting operation due to

• Ductile work materials

• Large rake angle

• High cutting speed

• All of the above

The surface of the single point cutting tool on which the chips formed in cutting operation side is called as

• Flank

• Heel

• Face

• Shank

Which type of chips form while machining of brittle materials?

• Continuous chips

• Discontinuous chips

• Continuous chip with build-up edge

The angle between side cutting edge and end cutting edge is called as

• Approach angle

• Nose angle

• Side relief angle

• End relief angle

The forces required for metal cutting operation

• Increase with increase in the feed of the tool and decreases with increase in depth of cut

• Decrease with increase in the feed of the tool and Increases with increase in depth of cut

• Increase with increase in both the feed of the tool and the depth of cut

• Decrease with increase in both the feed of the tool and the depth of cut

The cutting tool removes the metal from work piece in the form of

• Solid blocks

• Power

• Chips

• All of the above

Lead angle in the single point cutting tool is the angle between

• The end cutting edge and the normal to the tool shank

• The portion of side shank immediately below the side cutting edge and the line perpendicular to the base of the tool

• The tool face and the parallel to the base of the tool

• Side cutting edge and the side of the tool shank

In order to achieve a specific surface finish in single point turning the most important factor to be

• Depth of cut

• Cutting speed

• Feed

• Tool rake angle

The cutting speed is maximum while machining _________ with a high speed steel tool

• Cast iron

• Mild steel

• Brass

• Aluminum