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In an interchangeable assembly, shafts of size 25.000 -0.010⁺⁰⁰⁴⁰ mm mate with holes of size 25.000 -0.020⁺⁰⁰³⁰, the maximum interference (in microns) in the assembly is

A. 40

B. 30

C. 20

D. 10

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  16. In a shaper, the metal is removed during
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  18. In a plain milling machine, the table can be moved
  19. The grinding operation is a
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  21. Which of the following statement is correct as regard to up milling?
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