What are the characteristics permissible tolerance flatness of upper a – McqOptions

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1.	What are the characteristics permissible tolerance flatness of upper and lower surface of 100mm sine bar I.S. 5359‚Äö√Ñ√∂‚àö√ë‚àö√Ü1969?$
A.	0.001mm
B.	0.01mm
C.	0.005mm
D.	0.05mm
Answer» B. 0.01mm

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