The term "equivalent feet" is a method of rating _____.

a. VAV box performance
b. friction loss in a fitting
c. the length of a return air plenum
d. exhaust relief pressure


b. friction loss in a fitting

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Determine the yield strength-to-density ratios (specific strength) in units of kN • m/kg for AISI 1018 CD steel, 2011-T6 aluminum, Ti–6Al–4V titanium alloy, and ASTM No. 40 gray cast iron.

What will be an ideal response?

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The wood ____ is used to cut recesses in wood for things such as door hinges and locksets.

a.hatchet b.bevel c.chisel d.saw

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The major source of _____ is the water taken in by the plant

a. Oxygen c. Nitrogen b. Hydrogen d. Arsenic

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A step in the troubleshooting process in which the technician must call in more experienced technicians

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