What is the accuracy of top and supporting surface of type 3 precision – McqOptions

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1.	What is the accuracy of top and supporting surface of type 3 precision polygon as per IS: 6987-1973?
A.	0.005 and 0.04 mm
B.	0.0025 and 0.005
C.	0.007 and 0.0035
D.	0.001 and 0.002 mm
Answer» B. 0.0025 and 0.005

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