Motors Final Review 0 RF

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

• Refrigerant

• Acids

• Smoke

• Solids

Fans move____ pumps move ____.

• water, air

• refrigerant, water

• air, water

• magnetism, electricity

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

• True

• False

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

• rotor

• sleave

• gasket

• wires

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

• shaft

• rod

• stator

• shank

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.

• true

• false

115-V is single-phase voltage for household appliances

• True

• False

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

• torque
• amps

• ohms

• horsepower

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

• Induction motor

• reduction motor

• capacitive motor

• impedance motor

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.

• False

• True