Cuando utiliza disyuntores de desconexión instantánea (sin retardo) para la protección contra cortocircuitos de circuitos derivados para motores, estos:

a. deben poder ubicarse en un lugar fácilmente accesible.
b. deben tener codificación por color con una manija blanca.
c. deben ser ajustables y ser utilizados en conjunto con una combinación de arrancadores
del motor.
d. se pueden utilizar sólo en motores con devanado expuesto.


c. deben ser ajustables y ser utilizados en conjunto con una combinación de arrancadores
del motor.

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In a wye connection, the line current and phase current are not the same.

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

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What is a change order?

a. the document produced to describe a part of the job requirement that has been changed from what was originally bid b. an invoice that is marked as “paid” c. a contractor request for a change of personnel d. another name for the invoice issued

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A groove 7/8 inch deep is to be milled in a steel plate. How many cuts are required if each cut is 3/32 inch deep?

What will be an ideal response?

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The ____ produces pamphlets that inform hunters of bag limits

a. Department of Health and Human Services b. National Parks Service c. Department of Natural Resources d. Environmental Protection Agency

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