Heat units are calculated by taking the average temperature for the month minus 50°F
Indicate whether the statement is true or false
F
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For a three-phase system, the maximum voltage imbalance allowed is _____.
a. 2% b. 5% c. 10% d. 20
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Vitamin ____________________ is essential in the formation of the protein collagen
Fill in the blank(s) with correct word
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When installing voice, video and data jacks throughout a house, the preferred piece of equipment used to mount the jacks in a wall is a __________.
a. metal box b. mud ring (plaster ring) c. special crimp d. plastic box
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Which of these is used to cut threads in a drilled hole?
A) Tap B) Die C) Either A or B D) Neither A nor B
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