NEMA’s usual service conditions include a frequency variation of not more than what percentage of the nameplate frequency?
a. 1%
b. 5%
c. 15%
d. 20%
b. 5%
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What scale applies to the exploded assembly view?
Review drawing number 523797C0A and then answer the question.
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Crowfoot wrenches are available in which design?
A) Open end B) Flare nut C) Both A and B D) Neither A nor B
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Backing of the commercial vehicle is:
a. Not dangerous if you don't have to turn. b. Always dangerous. c. Not dangerous if you have a helper. d. None of the above.
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The abbreviation for refrigerants containing chlorine, fluorine, and carbon is ____.
A. HFC B. HCFC C. CFC D. HFAC
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