The minimum horizontal distance between two parallel main reinforcing

1.	The minimum horizontal distance between two parallel main reinforcing bars, is
A.	The diameter of the bar if their diameters are same
B.	The diameter of the longer bar if their diameters are unequal
C.	5 mm more than nominal maximum size of the coarse aggregate
D.	Greatest value of the above
Answer» E.

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The minimum horizontal distance between two parallel main reinforcing bars, is

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