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A(n) ____ element opens an electrical circuit when the tempe…

A(n) ____ element opens an electrical circuit when the temperature rises.

Published May 7, 2025
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A controlled device that changes an input energy (fluid, the…

A controlled device that changes an input energy (fluid, thermal, electrical, etc.) into mechanical motion is a(n) ____.

Published May 7, 2025
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An electrical switch that operates under the control of an o…

An electrical switch that operates under the control of an outside electrical signal is a ____.

Published May 7, 2025
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To reduce or eliminate electrical arcing in an electrical co…

To reduce or eliminate electrical arcing in an electrical control, use ____.

Published May 7, 2025
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If the low-side pressure drops below a safe limit due to ref…

If the low-side pressure drops below a safe limit due to refrigerant loss or an evaporator freeze-up, a(n) ____ switches off the compressor motor.

Published May 7, 2025
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The temperature or pressure value at which a device begins o…

The temperature or pressure value at which a device begins operation is its ____.

Published May 7, 2025
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Which type of relay prevents a circuit from restarting until…

Which type of relay prevents a circuit from restarting until the power to its coil is interrupted?

Published May 7, 2025
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A ____ switch is one that must be actuated to provide power…

A ____ switch is one that must be actuated to provide power to a circuit.

Published May 7, 2025
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On a capacitor-start, induction-run motor, a centrifugal swi…

On a capacitor-start, induction-run motor, a centrifugal switch or relay disconnects ____ when the motor reaches about 75% of its rated speed.

Published May 7, 2025
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Slip is the difference between a motor’s synchronous speed a…

Slip is the difference between a motor’s synchronous speed and its rated ____ speed.

Published May 7, 2025
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