Los requisitos para la instalación residencial y comercial de equipos y sistemas de alarma contra incendios se encuentran en:

a. NFPA 1.
b. NFPA 70®.
c. NFPA 72®.
d. NFPA 101®.


c. NFPA 72®.

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This geometric tolerance is a cross-sectional or single-line tolerance zone in the shape of two concentric circles.

a. concentricity b. circularity c. cylindricity d. runout

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The foundation design does not address specific site soil condition for seismic activity.

Answer the following statement true (T) or false (F)

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What is the color of the warning light that indicates hydraulic system failure?

A) Red B) Yellow C) Amber D) None of these

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Before handling printed circuit boards, technicians should discharge any static electricity from their bodies by:

A) Touching a grounded metal frame. B) Momentarily grabbing both ends of the power source to neutralize themselves. C) Wiping their hands with a silk rag to remove excess electrons from their hands. D) Rubbing their feet several times on the carpet to remove excess electrons.

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