While machining cast iron generally cutting fluid is not required beca – McqOptions

MCQOPTIONS

1.	While machining cast iron generally cutting fluid is not required because
A.	Cast iron surface is generally rough
B.	The cast iron jobs revolves at low speeds
C.	Cast iron contains graphite which does not allow temperatures to rise
D.	Cast iron contains carbon which cools the job
E.	None of the above
Answer» D.

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