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If l=b=s=v=2 and t=Find the value of m. l=length of the cutting stroke in mm, b=width of the work in mm, s=feed in mm, v=cutting speed in mm/minute, m=the ratio between return time to cutting time and t=machining time in minute.
Correct Answer: C — none of the mentioned
Explanation:
From the formula, t= lb(m+1) / (1000vs) , m should be 4.