Motors

Front

Electric motors in HVAC are usually used to turn the prime movers of air, water, and ________.

Back

Refrigerant

Front

Fans move____ pumps move ____.

Back

air, water

Front

Shaded pole motors have a high level of torque compared to single phase motors.

Back

False

Front

Electric motors have a stator with windings, a _____, bearings, end bells, housing, and some means to hold these parts in the proper position.

Back

rotor

Front

The motor _____ is connected to the rotor; therefore, when the rotor turns, so does the motor _____.

Back

shaft

Front

The technician must understand which motor is suitable for each job in order to troubleshoot effectively and, if necessary, to replace a motor with the proper type.

Back

true

Front

115-V is single-phase voltage for household appliances

Back

True

Front

A motor that runs a refrigeration compressor must have a high starting _____

Back

torque

Front

a/an alternating current motor where the rotor turns from induced magnetism from the field windings.

Back

Induction motor

Front

Excessive motor slip can be an indication of proper motor lubrication, effective motor bearings, greatly adjusted belts, or properly selected motor for the desired application.

Back

False