Flexible duct is typically available in diameters up to _____
a. 12 inches
b. 14 inches
c. 16 inches
d. 20 inches
d
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The ______ effect causes certain semiconductor materials (silicon, gallium, arsenide, copper indium dieseline, and cadmium telluride) to convert light energy into electrical energy at the atomic level.
A. solar B. vented ridge C. photovoltaic (PV) D. low slope roofing
Use a ______ to remove the valves from the head for inspection.
A. dead blow hammer B. case splitter C. spring compressor D. vernier caliper
Sulfuric acid is sometimes added to irrigation water to help in the reclamation of sodic soils
Indicate whether the statement is true or false
How is the optimal configuration for an air-source unit determined?
A) by selecting a heat pump that meets the building's heat loss B) by considering the method of discharge C) by installing a unit that has the lowest installed cost D) by matching the type of unit with the type of building construction