582. The recommended value of rake angle for machining aluminium with high speed steel tool is
A.0°
B.35°
C.15°
D.25°
583. The angle between the face of the tool and the plane parallel to the base of the cutting tool is called
A.Rake angle
B.Cutting angle
C.Clearance angle
D.Lip angle
584. The recommended value of rake angle for machining aluminium with cemented carbide tool is
A.0°
B.5°
C.15°
D.25°
585. The normal back rake angle of carbide single point cutting tool for machining aluminium is of the order of
A.—5° to 0°
B.0 to 5°
C.0 to 10°
D.10 to 15°
586. The cutting speed of high speed steel twist drill to machine grey cast iron is
A.10-20 m/min
B.25-40 m/min
C.50-80 m/min
D.100-160 m/min
587. The metal cutting wedge is fundamental to the geometry of
A.Hand tools
B.Power driven tools
C.Lathe tools
D.All of the above
588. The tool life of a single point cutting tool with increase in back rake angle with other parameters constant, will
A.Increase slightly
B.Decrease slightly
C.Remain unchanged
D.Increase tremendously
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