Para una halada recta, la longitud mínima de una caja de derivaciones con dos tuberías eléctricas de 1" y una tubería eléctrica de 4" en una pared, y dos tuberías eléctricas de 1" y una tubería eléctrica de 4" entrando por la pared opuesta es _____. (Suponga que el tamaño del conductor es n.° 4 AWG o superior, a una tensión inferior a 600V).
a. 24" (60,96 cm)
b. 26" (66,04 cm)
c. 32" (81,28 cm)
d. 34" (86,36 cm)
c. 32" (81,28 cm)
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A vacuum pump removes water from the air conditioning system by ________.
A) Condensing it B) Pulling it into the desiccant C) Mixing it with the oil D) Boiling it
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Which of the following is LEAST-Likely to be the HS drill speed when drilling mild steel?
A. 300 rpm for 1/2" B. 750 rpm for 1/2" C. 1,000 rpm for 3/8" D. 1,500 rpm for 1/4"
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What does the acronym IMA stands for?
What will be an ideal response?
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When the oil supply is above the oil burner pump, the pump and supply would normally be a ____.
A. single-stage pump, one pipe system B. single-stage pump, two pipe system C. two-stage pump, one pipe system D. two-stage pump, two pipe system
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