If a refrigerant is removed from a system and held in a storage tank for return to the same system, it is said to
have been _____.
a. reclaimed
b. recycled
c. recovered
d. restored
c
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The primary reason for providing core holes in bricks is to ______.
A) provide uniform drying and firing of bricks. B) increase the shear resistance of masonry walls. C) reduce the weight of bricks. D) none of the above.
GMAW welding uses fully inert ____________________ like argon or helium as a shield gas
Fill in the blank(s) with the appropriate word(s).
Post-and-beam framing uses ____.
A. closely spaced members B. no members C. lightweight members D. heavy framing members
The rural/urban interface:
A) allows the best land for growing plants to be reserved for agricultural purposes. B) are changes as populations move outward from the central urban areas. C) allows more of the urban population to gain awareness of agricultural practices. D) are nowadays easily seen as a distinct line in aerial views of cities and towns.