ACR-104 UNIT 21 END OF UNIT TEST

The process of removing heat from a place where it is not wanted and transferring that heat to a place where it makes little or no difference is known as _____.

• cooling

• refrigeration

• defrosting

• temperature balancing

The household refrigerator fresh-food compartment is a good example of _____ refrigeration.

• low-temperature

• medium-temperature

• high-temperature

• average-temperature

The household refrigerator fresh-food compartment typically ranges from _____.

• 25 to 35°F

• 28 to 40°F

• 30 to 42°F

• 32 to 45°F

Low-temperature food storage applications generally start at _____.

• -20°F

• 0°F

• 32°F

• 40°F

High-temperature refrigeration applications will normally provide box temperatures of _____.

• 20 to 40°F

• 32 to 50°F

• 47 to 60°F

• 50 to 67°F

A refrigeration system designed for the storage of flowers or candy is considered a _____ type.

• high temperature

• medium temperature

• low temperature

• sharp freezing

The _____ in a refrigeration system is responsible for absorbing heat into the system from whatever medium is to be cooled.

• evaporator

• thermostat

• compressor

• condenser

The boiling temperature and its relationship to the system exist in the _____.

• coil

• thermostat

• condenser

• evaporator

A typical evaporator operating temperature in an air-conditioning system is ____.

• 40°F

• 55°F

• 75°F

• 200°F

The _____ of the liquid refrigerant determines the coil operating temperature.

• freezing point

• melting point

• transition temperature

• boiling temperature