If the diameter of the work surface before machining(d1) is 100 mm and – McqOptions

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1.	If the diameter of the work surface before machining(d1) is 100 mm and diameter of the machined surface(d2) is 50 mm. Then the depth of the cut is______ mm.
A.	50
B.	25
C.	15
D.	none of the mentioned
Answer» C. 15

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