What is the best tool for determining if an electrical wire running through a space where you are working is energized?
A) A digital voltmeter B) A clamp-on voltmeter
C) A noncontact voltage detector D) A multimeter
C
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Describe what causes a resweat joint.
What will be an ideal response?
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Explain off-line programming and its benefits.
What will be an ideal response?
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The name of the first ambassador to Mexico who introduced poinsettias to the United States is _____
A) F. Church B) R. Nixon C) W. I. Greenhouse D) J. R. Poinsett
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Describe reinforced concrete
What will be an ideal response?
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