Electrical symbols should be written with _____.
A. squares 3" (75 mm) in diameter
B. squares 6" (150 mm) in diameter
C. circles 3" (75 mm) in diameter
D. circles 6" (150 mm) in diameter
Answer: D
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____ indicates a filler metal that is supplied for use as either a current carrying electrode or in rod forms.
A. E B. R C. ER D. EC
Las flechas que se muestran en el plano del techo suelen indicar _____.
a. el norte b. los drenajes del techo c. la dirección de la pendiente del techo d. Ninguno de los anteriores.
What is the purpose of the hot and cold decks on a multi-zone system?
A) they provide simultaneous hot and cold air B) the hot deck is energized and the cold deck is not C) the deck in use is called the hot deck D) the provide places to stand that are warm and cool
A pattered arrangement of objects or symbols is known as a(n):
a. Offset b. Graphic symbols legend c. Graphic pattern d. Repetitive feature