In a building, when exhaust air exceeds ventilation air, a negative pressure is created and the difference is made up through:
A) duct leakage
B) positive pressure
C) air leaving the building
D) air infiltration
D
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To what extent did the Civil War slow or delay the onset and development of the Industrial Revolution in the United States? Alternatively, did the war help usher in modern America including advancing overall industrialization and a transportation revolution throughout the United States?
What will be an ideal response?
The ____________________ of a control is the point at which the contacts open or close, depending on the function of the control.
Fill in the blank(s) with the appropriate word(s).
There are two areas in which the properties of matter can be divided:
A) Physical and chemical. B) Specific gravity and Specific volume. C) Pressures above and below atmospheric pressure. D) Temperatures above and below 70°F.
Final adjustment of a deck slab's elevation is done using _____
a. hanger clamps b. wedges c. haunches d. leveling screws