The third prong on an electric plug provides which of the following?
A. Variable speed control
B. A safety ground
C. Additional power when needed
D. Nothing
Answer: B
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What will be an ideal response?
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A professional engineer must design pole scaffolding that is in excess of _____ feet high.
a. 30 b. 60 c. 75 d. 90
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Farmers that raise hogs are called ____________________ producers
Fill in the blank(s) with correct word
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Using Boolean algebra, the complete simplification of Z = AB + A(B + C) + B(B + C) gives us:
A) Z = AB + AC + B B) Z = B - AC C) Z = AB = AC = BC D) Z = AB + AC + B + BC
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