As filters age and collect more particles, the differential pressure _____.

a. fluctuates
b. stays the same
c. increases
d. decreases


c. increases

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Explain what frost line is. Is it location specific?

What will be an ideal response?

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The first response to a fire is to _____.

a. lower the load b. secure the crane c. cease crane operation d. extinguish the fire

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How are auxiliary electric heaters typically sized for a heat pump system?

a. 5kW per 8,000 cu ft of building volume b. 2 times compression heat capacity c. 10kW per 1,000 sq ft of floor space d. at or near 100 percent of the building's heat load

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A ____ is a logic diagram that uses a set of standard symbols to visually explain the sequence of events from the start of a process to its end point.

A. flowchart B. map C. block chart D. pseudocode

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