Where there is a requirement to add a second grounding electrode, the two electrodes must be spaced at least _____.

a. 12' apart
b. 10' apart
c. 8' apart
d. 6' apart


d. 6' apart

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Describe Exterior and Exposure 1 panels.

What will be an ideal response?

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When using portable power tools, it is important that the work be well ____________________

Fill in the blank(s) with the appropriate word(s).

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Which type of pipe measurement is shown in the figure above?

a. End-to-end b. End-to-center c. End-to-face d. End-to-throat

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A dihedral angle refers to the angle:

A. between a foreshortened line and the fold line B. between two lines that are true length C. between a plane and the fold line D. between two planes

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