Which statement about economizers installed with packaged units is correct?

a. All packaged units are equipped with economizers.
b. Economizers require at least two compressors.
c. Compressors run less with economizers installed.
d. Economizers only function in the winter.


c. Compressors run less with economizers installed.

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All construction activity and debris should be kept within the property boundaries unless permission is first obtained from neighboring landowners.

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

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What is the diameter of a No. 4 bar; a No. 7 bar?

What will be an ideal response?

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Which of the following diagnostic horizons would likely not restrict root growth in soils?

A) petrocalcic B) placic C) fragipan D) albic E) salic

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When the coupling faces are divided into four positions for aligning purposes, the 6 o'clock position represents the ________ of the coupling

A) left side B) bottom C) top D) right side

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