Los rayos ultravioleta son:
a. rayos de luna.
b. una capa de la atmósfera terrestre.
c. rayos dañinos producidos por la energía del sol.
d. visibles solo de noche.
c. rayos dañinos producidos por la energía del sol.
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Equipment intended to interrupt current at fault levels must have an interrupting rating at nominal circuit voltage that is _____.
a. equal to the current available at the line terminals of the equipment b. 125% of the current available at the line terminals of the equipment c. 150% of the current available at the line terminals of the equipment d. 200% of the current available at the line terminals of the equipment
The ____ gate performs the basic operation of addition.
A. OR B. AND C. NOT D. NAND
What is the purpose of the evaporator in the refrigeration system?
What will be an ideal response?
When adding local notes, they should be _____ to aid the print reader.
A. aligned so that they are parallel to the drawing B. aligned so that they are perpendicular to the drawing C. placed in a separate file D. placed on the interior of the building whenever possible