On structural steel beam details, any open hole for which no size is indicated is assumed to be what diameter?
What will be an ideal response?
13?16"
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Two 5-ohm resistors are placed in parallel in a 10-amp circuit. What is their total resistance?
A) 2.5 ohms B) 10 ohms. C) 5 ohms
In 1913, Woodrow Wilson broke with a custom dating back to Jefferson's day when he
A. stopped having formal cabinet meetings. B. appointed a black man to the Supreme Court. C. endorsed woman suffrage. D. personally delivered his presidential State of the Union address to Congress. E. failed to write a presidential State of the Union address to be read by a clerk to Congress.
How does an air sensing tstat keep frost from building up on a medium temperature evaporator?
a. It has a wide temperature swing to allow enough off time to defrost. b. It has a narrow temperature swing or differential to prevent frost buildup. c. The tstat won’t start the compressor until the frost has melted off the evap.
Carry the answer to three decimal places. Standard 1-inch conduit has an inside diameter of 1.575 inches and an outside diameter of 1.825 inches. Find the thickness of the wall.
Fill in the blank(s) with the appropriate word(s).