1.

The maximum tolerances in overall length of a 20 m and 30 m metric chains should be respectively

A. ± 2 mm,+ 8 mm
B. ± 3 mm,+ 5 mm
C. ± 5 mm,+ 8 mm
D. ± 8 mm,+ 5 mm
Answer» D. ± 8 mm,+ 5 mm


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