In order to deliver different volumes of air to various areas in an occupied space, the blowers used on VAV systems must be able to modulate their openings to accommodate the changing needs of the system.
Answer the following statement true (T) or false (F)
False
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Any hardships imposed by zoning regulations may be relieved by a(n) ____.
a.waiver b.exception c.variance d.permit
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A 5 ribbed serpentine belt should be tensioned at about ________.
A) 45 to 60 lbs. B) 150 lbs. C) 75 to 100 lbs. D) None of these
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Concrete for some strip footings may be placed in trenches without the use of forms if the soil is _____.
a. sandy b. very cohesive c. very moist d. compacted
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Which of the following abbreviations is used on electrical drawings to represent an oscilloscope?
a. CRO b. OSC c. OHM d. TD
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