Electrical current is caused by the movement of electrons from something positive to something negative.

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


False

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One drawback to using CO2 (R-744) as a refrigerant is ________.

A) CO2 system pressures are extremely high B) CO2 is hard to produce C) CO2 is damaging to plant life D) CO2 is flammable

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A manufacturer estimates the following percent costs to produce a product; labor cost 35%; material cost 45%; and overhead cost 20%.  The total cost of production is $110,000.  What is the estimated cost of materials?

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

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Determine the windows required for the residence in Appendix B.

What will be an ideal response?

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87 + 2,834 + 561 =

A) 3,482 B) 3,572 C) 3,472 D) 3,582

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