A ____ breaker is a device designed to open and close a circuit manually and to open the circuit automatically on a predetermined overcurrent, without damage to itself where properly applied within its rating.

a. current
b. circuit
c. fuse
d. pole


b. circuit

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In ____________________ construction, the metal rods are stretched and then the concrete is poured.

Fill in the blank(s) with the appropriate word(s).

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Materials that allow electricity to flow are called:

A. Metals B. Conductors C. Attractors D. Insulators

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Describe why it is important to replace a fan motor with one of the exact same RPM

What will be an ideal response?

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If the error signal gap increases, the derivative control mode ______________________________. If the error signal gap decreases, the derivative control mode ______________________________.

Fill in the blank(s) with the appropriate word(s).

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