Pressure switches will usually use a(n) ____ that works against a calibrated spring or other form of tension.
A. diaphragm
B. electromagnet
C. lever
D. piezoelectrical device
Answer: A
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An acceptable method of identifying grounded conductors larger than No. 6 AWG is by tagging them or marking them _____.
a. white b. green c. black d. blue
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Assume that X, Y, and Z are independent measurements with X=25 ± 1,Y=5.0 ± 0.3, and Z=3.5 ± 0.2. Find the uncertainties in each of the following quantities:
a. XY+Z
b. Z/(X+Y)
c. 
d. 
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Describe the paper you should use for sketching.
What will be an ideal response?
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Because hard wired telephone systems use DC, it is standard practice to use the “ring” as the ____________________ conductor.
Fill in the blank(s) with the appropriate word(s).
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