Copper-coated steel ground rods must be listed and be at least __________ in diameter.
a. 1/2 inch
b. 5/8 inch
c. 3/4 inch
d. 1 inch
b. 5/8 inch
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The dimension for the depth of the groove is placed to the immediate ____________________ of the weld symbol.
Fill in the blank(s) with the appropriate word(s).
Which one of the following is the most common profile for steel piles?
a. A b. I c. P d. H
A three prong plug ________
A) is better than a two prong plug because the extra prong help keeps the plug in the socket better B) is not needed if you have double insulated tools C) provides a third prong that is the grounding wire for the system, and ensures that the ground wire is provided to all power tools that are plugged into it D) both B and C
On a project using engineered-size bricks, how many cubic yards of sand to the nearest hundredth are needed to build a single-wythe brick wall whose length is 36' and height is 18'.
What will be an ideal response?