A(n) ____________________ is a round seal with a square-cut cross section.
Fill in the blank(s) with the appropriate word(s).
square-cut seal
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Acoustical panels and tiles are fabricated using
A) fillers, binders, and water. B) mineral wool, mineral fibers, fiberglass, and/or perlite. C) A and B. D) none of the above.
Self-regulating cables are referred to as _____.
a. monolithic cables b. power-limiting heating cables c. parallel-resistance heating cables d. constant-wattage heating cables
When carrying or storing a hand tool, be careful to protect its _____.
a. cutting edge b. holder c. finish d. handle
What is the purpose of the hot and cold decks on a multizone system?
A) They provide simultaneous hot and cold air. B) The deck in use is called the hot deck. C) The hot deck is energized and the cold deck is not. D) They provide places to stand that are warm and cool.