561. The binding material used in cemented carbide tools is
A.Graphite
B.Lead
C.Cobalt
D.Carbon
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
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
564. The hardest manufactured cutting tool material is
A.Diamond
B.Cemented carbide
C.Ceramic
D.Carbon steel
565. For drilling operation, the cylindrical job should always be clamped on a
A.Collet
B.V-Block
C.Socket
D.Jaw
566. Drilling is an example of
A.Simple cutting
B.Uniform cutting
C.Orthogonal cutting
D.Oblique cutting
567. The cutting edges of a standard twist drill are called
A.Flutes
B.Lips
C.Wedges
D.Flanks
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