In the accompanying figure, the second electrical symbol from the bottom stands for a ____.
A. circuit breaker
B. ground
C. single-throw knife switch
D. double-throw knife switch
Answer: D
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On the 2-axis Cartesian coordinate system in Quadrant III, what is the sign of the x value?
Fill in the blank(s) with the appropriate word(s).
1. A board foot is a unit of measurement for lumber equal to:
a. 1-in ´ 12-in ´ 12-in c. 3-in ´ 12-in ´ 12-in b. 2-in ´ 12-in ´ 12-in d. 4-in ´ 12-in ´ 12-in
During the last two weeks, a technician who is married with no children earned $2154 in commissions. How much was withheld from the technician's paycheck for Social Security?
Fill in the blank(s) with the appropriate word(s).
A downside of using deep-cycle batteries is
A) they are inefficient B) they are expensive C) they require regular maintenance D) all of the above