CSLB C-23 Practice Questions - California CSLB C-23 Ornamental Metal Examination Exam

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An estimator is laying out a guard railing with a clear opening length of 140 inches between end posts. If the decorative pickets are 1/2 inch square solid steel bars, what is the MINIMUM number of pickets required to ensure no opening allows passage of a 4-inch sphere as required by the building code?

Exactly 28 decorative pickets Exactly 34 decorative pickets Exactly 31 decorative pickets Exactly 38 decorative pickets

Correct Answer:

Exactly 31 decorative pickets

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