The strength or classification of a bolt is known as ________
A) Pitch B) Gauge C) Grade D) None of these
C
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The abbreviation for refrigerants containing fluorine, carbon, and hydrogen is ____.
A. HFC B. HCFC C. CFC D. HFAC
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The flow of water in a water distribution system is regulated by a _____
a. valve b. fixture c. cross-connection d. water meter
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The phase angle on a split-phase motor is about __________ degrees.
A. 10 B. 20 C. 30 D. 40
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The industrial use transformer that normally has 240 V or 480 V primary and a 120 V secondary is called a(n) _____ transformer.
A. auto B. distribution C. isolation D. control
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