A common position sensor used to monitor linear or rotary motion is the ____.
A. solenoid
B. potentiometer
C. amplifier
D. rectifier
Answer: B
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A commonly used porous sound absorber is
A) aluminum foil. B) oriented strandboard. C) microperforated plastic. D) gypsum board. E) fiberglass.
On the rake of an asphalt shingle roof, _________.
A) a drip edge is installed after installing roof underlayment. B) a drip edge is not required. C) a drip edge is installed before installing roof underlayment.
Texas was annexed to the United States as a result of
A. two-thirds Senate approval of the Treaty of Annexation. B. a joint resolution enacted by a simple majority in the House and the Senate rather than the two-thirds constitutional supermajority required of all treaties with foreign nations. C. a presidential executive order by President Tyler. D. the Treaty of Guadalupe-Hidalgo. E. a political compromise to admit free-state Iowa at the same time.
What are post tension cables, reinforcing rods, and wire mesh used for in construction?
A) Reinforcing residential roofing B) Reinforcing light frame construction C) Reinforcing concrete D) Reinforcing asphalt driveways