To minimize interference, communication cables are run as close to the ____ conductor as possible.
A. positive phase
B. negative phase
C. triplen
D. neutral
Answer: D
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When the materials in a metallic piping system increase in temperature, the piping _____.
a. expands b. contracts c. vibrates d. sweats
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The length of the end pieces for a given radius is calculated by multiplying the center-to-center length by _____.
a. one-third b. one-half c. two-thirds d. two
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A drip loop's lowest point has a minimum vertical clearance of ____.
A. 9 ft B. 10 ft C. 11 ft D. 12 ft
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Two electricians work 6
hours each per day for 5 days. Find the total number of hours worked.
Fill in the blank(s) with the appropriate word(s).
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