The temperature or pressure value at which a device ceases operation is its ____.
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The term for the present condition in a conditioned space is…
The term for the present condition in a conditioned space is the ____.
Which type of bimetal device expands or contracts and tilts…
Which type of bimetal device expands or contracts and tilts a mercury switch that serves as the electrical contact between wires?
A(n) ____ element opens an electrical circuit when the tempe…
A(n) ____ element opens an electrical circuit when the temperature rises.
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) ____.
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 ____.
To reduce or eliminate electrical arcing in an electrical co…
To reduce or eliminate electrical arcing in an electrical control, use ____.
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.
The temperature or pressure value at which a device begins o…
The temperature or pressure value at which a device begins operation is its ____.
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?