Chapter 24

Most compressors used in domestic refrigerators use ________ motors

• ECM

• Shaded-pole

• Split-phase

• Three-phase

The fuse or circuit breaker in an individual circuit should open in the even of continuous overload of more than 5%

• True

• True, 25%

• False

• False, 25%

During startup, most motors used in domestic appliance compressors draw a current of only 60% of the running load

• True

• False, 600%

A device wired in series with a compressor's motor windings that protects it from over load by increasing temperature is a _________.

• circuit breaker

• fuse

• lockout relay

• PTC thermistor

The electrical cord for domestic refrigerators are insulated to withstand twice their normal voltage

• True

• False, four times

A condenser that uses tubes in direct contact with the outer wall of the cabinet so that the outerwall serves as a heat sink is a _________ condenser.

• Forced-air

• hot-wall

• natural-convection

• subcooler

A forced-air condenser arrangement that take air in along the front of the refrigerator and expels the air out of the back is commonly called a(n) __________ condenser

• inshot

• roundabout

• single-pass

• two-pass

What type of metering device do most domestic refrigerators use?

• Automatic Expansion Valve (AXV)

• Capillary tube

• Electronic expansion valve (EEV)

• Thermostatic expansion valve (TXV)

Domestic systems use a(n) ____________ to prevent moisture from entering the metering device where it could freeze and cause clogging.

• absorbent

• accumulator

• filter-drier

• moisture indicator

Heat is absorbed inside of the cabinet when refrigerant passes through the _________________.

• Accumulator

• Condenser

• Evaporator

• heat exchanger