A component commonly used in pre-engineered metal buildings, a(n) ____ is a cold-formed C-section fabricated for the proper roof pitch.
A. eave strut
B. girt
C. purlin
D. truss
Answer: A
Trades & Technology
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The ____________________ system, which produces wool for things like blankets and overcoats, uses some nonprocessed wool but it contains short fiber by-products from the worsted mills, wool waste, and recycled yarn.
Fill in the blank(s) with the appropriate word(s).
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The ___________ of SSB generation relies on the fact that the upper and lower sidebands of an AM signal differ in the sign of their phase angles
A. frequency deviation B. phase shift C. phase method D. modulator stage
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Terminal units mounted on the exterior wall of a building that can provide outside ventilation with space heating and or cooling are ________________.