When making concentric bends in conduit of different sizes, the first step in calculating the radius of a bend is to _____.

a. calculate one-half the outside diameter of the innermost conduit
b. determine the radius of the innermost bend
c. determine the distance between the two runs of conduit
d. calculate the outside diameter of the adjacent conduit


b. determine the radius of the innermost bend

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What will be an ideal response?

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