Las canalizaciones de metal están definidas en:
a. NEC® Artículo 368.
b. NEC® Artículo 376.
c. NEC® Artículo 378.
d. NEC® Artículo 392.
b. NEC® Artículo 376.
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In hospitals, schools, and prisons, electrical heat trace systems are used for _____.
a. temperature maintenance of domestic hot-water pipeline systems b. viscosity control on chemical pipelines c. thermal regulation d. moisture control on air lines
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What is fluorosis?
What will be an ideal response?
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Which formula is used to determine the pulse width (tw) at the output of a 74121 monostable multivibrator?
A) tw = 0.693 × RextCext B) tw = 0.693 × RextRint C) tw = 0.693 × Rext D) tw = 0.25 × RintCint
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Give another name for the micrometer caliper.
What will be an ideal response?
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