Las marcas de los cables muestran:

a. las definiciones de códigos de colores.
b. la ampacidad.
c. las ubicaciones adecuadas.
d. el voltaje nominal.


d. el voltaje nominal.

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?Short, very high-frequency electromagnetic waves with no electrical charge are ____. 

A. ?gamma rays  B. ?beta particles C. ?alpha particles  D. ?ions 

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Which of the following tools and supplies would you need to install a bathtub or shower?

a. 2-inch P-trap and necessary adapters b. ?-inch supply tubes c. jigsaw with fine tooth blade (for cutting countertop) d. basin wrench

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What is the technician doing in this photograph?



A) Torquing the pinion nut
B) Installing the pinion seal
C) Measuring pinion bearing preload
D) Removing the pinion nut

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How many side surfaces does a cylinder have?

a. 1 b. 3 c. 4 d. 8

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