The measure of how much water the air has absorbed at a given temperature.
a. humidity
b. wet bulb
c. relative humidity
d. dry bulb
Answer: c
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Indicate whether the statement is true or false
Which of the following is true of DCEN?
A. With DCEN, arc starting with a high-voltage electrical discharge is more difficult. B. With DCEN, the electrode becomes damaged in a short period of time. C. With DCEN, a pointed tip concentrates the arc. D. DCEN concentrates the heat in the tip of the electrode.
Cables run along the sides of framing members must be installed at least __________ from the nearest edge of studs, joists, or rafters.
a. 3 inches b. 6 inches c. 1-1/4 inches d. None of the above
Comparing speed and velocity,
a. speed is a vector quantity and therefore includes direction. b. velocity is a vector quantity and therefore includes direction. c. speed and velocity mean the same thing. d. none of the above apply.