Flexible metal conduit (FMC) is a raceway of circular cross section made of ____.

A. PVC laminated steel
B. helically wound, formed, and interlocked metal strip
C. concentrically wound aluminum alloy
D. interlocking metal and PVC conglomerate


Answer: B

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________: level of output at which average total costs equal average revenue or market price.

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

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The heat in the vicinity of the ____________________ gas has a tendency to cause any minerals in the water to deposit onto the tube surface.

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

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List four different substances that can be used in conjunction with the soldering and brazing processes.

What will be an ideal response?

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The typical shielding gas for GTAW on deoxidized copper that is over 1/8? (3.2 mm) thick is _____

a. helium b. hydrogen c. oxygen d. argon

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