El objetivo de trenzar los conductores es:

a. reducir peso.
b. agregar resistencia.
c. facilitar la aislación del cable.
d. aumentar la flexibilidad del cable.


d. aumentar la flexibilidad del cable.

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?Laser power can be controlled to merely ____ the plastics surface or actually vaporize and melt it.   

A. ?thread B. ?machine C. ?drill D. ?etch

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Technician A says installing straight seam cam bearings is best accomplished using an expanding mandrel. Technician B says lubricating the outside of the bearing with 90- or 140-weight oil makes installation much easier. Who is right?

A. Technician A B. Technician B C. Both technicians D. Neither technician

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When comparing the conversions from digital-to-analog and analog-to-digital, the A/D conversion is generally:

A) less complicated but more time consuming than the D/A conversion. B) more complicated and more time consuming than the D/A conversion. C) more complicated but less time consuming than the D/A conversion. D) less complicated and less time consuming than the D/A conversion.

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There are four dimensioning systems typically used on technical drawings in the United States.

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

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