Week 3 Vocabulary

_______ Refers to the temperature surrounding a body or unit under test.

• Surface temperature
• Internal temperature
• Room temperature
• Ambient temperature

_____ _____ A valve designed to permit flow in one direction only.

• Stop valve
• Gate valve
• Ball valve
• Check valve

A mechanical device used to compress gases.

• Compressor
• Inflator
• Decompressor
• Expander

- The transfer of heat from molecule to molecule within a substance

• Reflection
• Convection
• Evaporation
• Conduction

The complete course of operation of a refrigerant back to a selected starting point in a system.

• Heating cycle
• Refrigerant cycle
• Cooling cycle
• Refrigerant flow

The temperature at which the removal of any heat will begin a change of state from a vapor to a liquid.

• Freezing point
• Boiling point
• Melting point
• Condensation point

Mass or weight per unit of volume.

• Gravity
• Volume
• Pressure
• Density

A device in which a liquid refrigerant is vaporized. Some superheating usually takes place.

• Evaporator

• Condenser
• Dehumidifier
• Freezer

A device that removes moisture, acid and foreign matter from the refrigerant.

• Foreign matter extractor
• Filter dryer

• Acid remover
• Moisture absorber

Conduction, convection and radiation.

• Heat Transfer

• Expansion, compression and diffusion
• Evaporation, precipitation and condensation
• Reflection, absorption and refraction