Q.

The diameter of ties in a column should be

A. more than or equal to one fourth of diameter of main bar
B. more than or equal to 5 mm
C. more than 5 mm but less than one-fourth of diameter of main bar
D. more than 5 mm and also more than one-fourth of diameter of main bar
Answer» D. more than 5 mm and also more than one-fourth of diameter of main bar
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