What is a HEPA filter?

A) a very high efficiency air filter B) a filter for heated pans
C) a filter for a steam heating coil D) a high efficiency water filter


A

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In plasma arc cutting, plasma is created by _____

a. combining acetylene with acetone b. exposing cutting gas to radioactive material c. passing fuel gases through a large orifice inside the torch d. superheating gas in an electric arc

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Describe a surface model.

What will be an ideal response?

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The type of schedule that shows dependent and critical path activities is the _____

a. Gantt chart b. network schedule c. bar chart d. time and materials schedule

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Because the diac is a bidirectional device, it will conduct on either half cycle of the alternating current applied to it.

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

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