ObjectiveMcq
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If l=b=5, t=8, v=3 and m=5, find the value of s. (l=length of cutting stroke mm, b=width of work mm, s=feed mm, v=cutting speed mm/minute, m=ratio of return to cutting time, t=machining time minutes)
Correct Answer: D — 0.00625
From the formula, t= lb(m+1) / (1000vs). By putting all given values, we can easily get answer as 0.00625.