Q.

A rolled steel flat designated as 50 ISF 8 means

A. the flat is 50 mm wide and 8 mm thick
B. Increasing the diameter of threaded portion
C. the flat has cross-section 50 sq. mm and depth 8 mm
D. the flat has cross-section 50 sq mm and width 8 mm
E. the flat is 50 mm long and 8 mm thick
Answer» A. the flat is 50 mm wide and 8 mm thick
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