What type of HVAC work often requires a criminal background check?
A) System installation helper B) Service work in people's homes
C) Duct installation technicians D) Industrial service technician
B
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Why is three-phase power more efficient than single-phase power?
What will be an ideal response?
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ANSI is the acronym for the _____.
a. Agency for Non-Steel Industries b. American National Service Industries c. American National Standards Institute d. American Non-Standard Industry
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If ab=15 and bc=12, what is ac?
Fill in the blank(s) with the appropriate word(s).
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Drivers who have earned their CDLs
A. are allowed to break certain laws without being ticketed B. are eligible to drive a CMV C. can drive a rig only in the right lane in heavy traffic D. All of the above
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