435. Flank wear occurs mainly on
A.Nose part, from relief face and side relief face
B.Nose part and top face
C.Cutting edges
D.All of the above

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436. In a capstan lathe, the turret is mounted on
A.A short slide of ram sliding on the saddle
B.The saddle sliding on the bed
C.Compound rest
D.Back tool post

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437. Which of the following properties are essential for a tool material used for high speed machining
A.Red hardness and impact resistance
B.Red hardness, wear resistance and toughness
C.Toughness and impact resistance
D.Impact resistance and wear resistance

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438. The characteristic that enables one material to cut another is its relative
A.Toughness
B.Hardness
C.Resilience
D.Ductility

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439. Most machinable metal is one which
A.Produces discontinuous chips
B.Permits maximum metal removal per tool grind
C.Results in maximum length of shear plane
D.Results in minimum value of shear angle

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440. It is possible to correlate tool life with the-following property of the metal
A.Grain size
B.Toughness
C.Hardness
D.Microconstituent

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441. Sanding is a process of removing metal surfaces or wood fibres by
A.Filing
B.Sawing
C.Cutting
D.Planing

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