In most areas, the slab is required to be placed over 4-mil polyethylene sheet plastic to protect the floor from ground moisture.

Answer the following statement true (T) or false (F)


False

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The ____ is an opening in the inner hearth of a masonry fireplace where ashes can be removed.

A. ash dump B. flue C. vent D. smoke chamber

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An electrical ____ is a tradesman who oversees and manages the building, maintenance, and troubleshooting of electrical and electronic systems.

a. apprentice b. inspector c. estimator d. foreman

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Examination of the input and output signals of an IC inverter reveals a delay from the time the input goes LOW until the output goes HIGH. The delay between these two signals should be measured at the ________ amplitude points and be labeled ________

A) 100 percent, tPLH B) 50 percent, tPLH C) 100 percent, tPHL D) 50 percent, tPHL

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A commonly accepted length for arrowheads is:

A. 1.2" B. .25" C. .35" D. .12"

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