Which of these systems needs a dedicated outside air system, or "DOAS"?

A) Fan terminal units.
B) Chilled beam.
C) Multiple zone VAV.
D) Fan coils.
E) PTAC.


D) Fan coils.

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What is the most important component that provides proper curb riding height for the rear suspension?

What will be an ideal response?

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Pick the two terms which are synonymous.

A) Humidity ratio B) Relative humidity C) Absolute humidity

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Technician A says that hydrostatic drive circuits have a high tolerance for contaminants. Technician B says that an open-loop hydrostatic drive circuit is used in heavy equipment where multiple drive functions or loads are required. Who is correct?

A. Technician A B. Technician B C. Both D. Neither

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____ provides contrast and is similar to the concept of monochromatic color.

A. Composition B. Tone C. The subtractive principle D. Hue

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