____ turn electrical energy into mechanical motion.
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Current-limiting fuses use temperature-sensitive resistors t…
Current-limiting fuses use temperature-sensitive resistors that close the motor circuit as temperature rises.
Contactors with ____ of contacts are used to control three-p…
Contactors with ____ of contacts are used to control three-phase motor operation.
A(n) ____ motor control is mounted on the suction side of th…
A(n) ____ motor control is mounted on the suction side of the compressor to monitor evaporator suction pressure.
The present condition as measured by the sensor in a control…
The present condition as measured by the sensor in a control system is the ____.
After internal motor overload protection opens the motor cir…
After internal motor overload protection opens the motor circuit due to overheating, a technician should ____ to speed up compressor cooling.
The ____ is the value at which a device begins operation.
The ____ is the value at which a device begins operation.
In electronic controls, range adjustment is a function of th…
In electronic controls, range adjustment is a function of the ____.
A system’s ____ is the number of units between the cut-out a…
A system’s ____ is the number of units between the cut-out and cut-in values.
When the thermistor in a PTC relay has high resistance, it a…
When the thermistor in a PTC relay has high resistance, it acts as a closed switch or contact.