When
turning mild steel, if the area of cross section of the cut remain constant,
the cutting force will be minimum if depth of cut is:
Approximately
equal to the feed per revolution
One
and a half time the feed per revolution
Two
times the feed per revolution
Half
the feed per revolution
Half
the feed per revolution
Cutting
force will be minimum when depth of cut is minimum, so depth of cut is half the
feedper revolution.
Hence,
the correct option is (D).
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