561. The binding material used in cemented carbide tools is
A.Graphite
B.Lead
C.Cobalt
D.Carbon

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562. The cutting speed will be minimum while machining the following material with H.S.S. tool
A.Aluminium
B.Cast iron
C.Copper
D.White metal

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563. When the point of a twist drill, is sharpened, the lips must be ground so that they have
A.Equal dead centre
B.Equal length and angle
C.Wide web
D.Proper point

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564. The hardest manufactured cutting tool material is
A.Diamond
B.Cemented carbide
C.Ceramic
D.Carbon steel

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565. For drilling operation, the cylindrical job should always be clamped on a
A.Collet
B.V-Block
C.Socket
D.Jaw

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566. Drilling is an example of
A.Simple cutting
B.Uniform cutting
C.Orthogonal cutting
D.Oblique cutting

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567. The cutting edges of a standard twist drill are called
A.Flutes
B.Lips
C.Wedges
D.Flanks

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