Acid in the water can react with copper pipes to leave stains that are _____.

a. red
b. black
c. green
d. yellow


c. green

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The type of anchor shown in the figure above is a _____.

a. drop-in anchor b. drive-in anchor c. toggle bolt d. self-drilling anchor

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____ is defined as the amount of money remaining after all project expenses and company expenses have been paid.

A. Labor B. Expense C. Profit D. Overage

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If a technician needs to read the refrigerant pressure of a window unit, they must:

A) Use a piercing valve. B) First cut open the process stub on the compressor. C) Use a hose that has a depressor core for the Schrader valve. D) Backseat crack the compressor access valve.

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The constant 0.66 represents a thickness of 8", equivalent to 8/12', or 0.66', a thickness often specified for footings supporting foundation walls in residential construction.

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

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