Para una halada en ángulo o en U, la longitud de la caja de derivaciones que aloja conductores protegidos a tensiones superiores a 600V debe ser de _____ veces el diámetro exterior del conductor protegido más grande que entra en la caja.

a. 24
b. 36
c. 48
d. 60


b. 36

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A fitting must not be turned past the desired end position because the fitting will _____.

a. cut the pipe b. expand c. mar the pipe d. leak

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Describe histograms or frequency plots.

What will be an ideal response?

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When a CMOS gate output connects to a TTL gate, which circuit is needed?

A) a decoupling capacitor B) a pull-up resistor C) a CMOS buffer D) a pull-down resistor

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Ultimately, the source of tidal energy is the kinetic energy of the _____ .

A. ?rotating earth? B. ?moon phases? C. ?sunlight? D. ?plates beneath the ocean floor?

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