Spindle speed in a lathe for turning a 40 cm dia rod at a cutting spee – McqOptions

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1.	Spindle speed in a lathe for turning a 40 cm dia rod at a cutting speed of 30 m/min would be
A.	100 rpm
B.	336 rpm
C.	238 rpm
D.	468 rpm
E.	206 rpm
Answer» D.

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