What unit of measure is used for wood trim? If it requires a finish, where is this information noted?
What will be an ideal response?
Wood trim is estimated by linear feet with the size and shape noted. Any finishes required are usually noted in the specifications.
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Chime circuits are operated on voltages that generally range from ____ volts AC.
a. 4- to 8- b. 8- to 16- c. 16- to 24- d. 24- to 32-
When any product containing hydrogen and/or carbon reacts with oxygen to release heat energy, the process is called ____________________.
Fill in the blank(s) with the appropriate word(s).
The speed of sound in air is approximately 340 m/s. The speed of sound in steel is approximately 5900 m/s. If your friend strikes one end of a steel pipe with a hammer while you listen at the other end, you will hear two distinct sounds: one traveling through the air and the other traveling through the steel pipe. If the pipe is 200 meters long, how much time elapses between the two sounds?
What will be an ideal response?
The average value of a rectangular pulse wave is calculated as:
A) Vavg = Vbaseline + (duty cycle) × Vp. B) Vavg = 1.57 Vp. C) Vavg = Vbaseline + Vp. D) Vavg = 0.637 Vp.