Which boiler control prevents a low-water condition from occurring?

a. aquastat
b. high limit control
c. low-water fuel cut-off
d. temperature-limiting control


ANSWER: c

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Está usando una escalera y descubre que tiene fallas. Lo primero que debe hacer es:

a. dejarla fuera de servicio e identificarla claramente con una etiqueta que diga "No usar". b. dejarla a un lado y avisar a su supervisor en cuanto pueda. c. terminar su trabajo y después identificar la escalera con una etiqueta que diga "No usar". d. avisar a su supervisor y luego dejar la escalera fuera de servicio.

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Letter D is pointing to a _____.



a. top plate
b. king stud
c. sill
d. sole plate

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An interesting phenomenon over the past few years is the concept of ________ bandwidth between carriers

Fill in the blank(s) with correct word

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Which of the following best represents a type of collapse in which one end of the collapsed floor is supported by an interior wall, creating two void spaces?

A) Frame floor collapse B) Cantilever floor collapse C) V-shaped floor collapse D) Lean-to-floor collapse

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