Hvac-r Final Exam Questions Solved
Correctly.
A Coil - Answer evaporator consisting of two coils joined together forming the shape of the letter A
Absolute Humidity - Answer the actual amount of moisture in a given volume of air
absolute pressure - Answer gauge pressure + atmospheric pressure
absolute temperature - Answer temperature measured from absolute zero
absolute zero - Answer The coldest temperature, 0 Kelvin, that can be reached. It is the hypothetical
temperature at which all molecular motion stops.(-460 degrees F --273 degrees C)
absorbent - Answer substance that has the ability to take up or absorb another substance
absorber - Answer a device containing liquid for absorbing refrigerant vapor or other vapors
absorption - Answer diffusion of one substance into the inner composition of another substance
absorption chiller - Answer device used to produce chill water using the absorption cycle
absorption cycle - Answer refrigeration cycle based upon the absorption of the refrigerant by a
chemical substance rather than by mechanical compression
absorption refrigerator - Answer a refrigerator that utilizes the principle of the absorption ctcle
, accessible hermetic - Answer a hermetically sealed unit that can be opened for repair and
maintenance. also referred to as semi-hermetic
accumulator - Answer a storage vessel located in the suction line before the compressor. used to limit
liquid refrigerant return to the compressor and store excess refrigerant in the heating mode
acetylene - Answer gas commonly used with oxygen for brazing and soldering
ACR tubing - Answer air conditioning and refrigeration tubing sealed on each end to keep the tubing
clean and dry
activated alumina - Answer an aluminum oxide desiccant used in refrigeration system driers to absorb
moisture
activated carbon - Answer specially processed carbon commonly used to clan air
active refrigerant recovery device - Answer a self contained recovery unit that is not an integral part of
the refrigeration system
active solar system - Answer a system designed to utilize solar energy
actuator - Answer a device used to convert fluid power,thermal energy, and electrical energy into
mechanical motion
adiabatic compression - Answer compressing refrigerant gas without removing or adding heat
adsorbent - Answer substance that has the property to hold molecule of fluids without causing a
chemical or physical change
air - Answer the fluid surrounding us composed mainly of oxygen and nitrogen
Correctly.
A Coil - Answer evaporator consisting of two coils joined together forming the shape of the letter A
Absolute Humidity - Answer the actual amount of moisture in a given volume of air
absolute pressure - Answer gauge pressure + atmospheric pressure
absolute temperature - Answer temperature measured from absolute zero
absolute zero - Answer The coldest temperature, 0 Kelvin, that can be reached. It is the hypothetical
temperature at which all molecular motion stops.(-460 degrees F --273 degrees C)
absorbent - Answer substance that has the ability to take up or absorb another substance
absorber - Answer a device containing liquid for absorbing refrigerant vapor or other vapors
absorption - Answer diffusion of one substance into the inner composition of another substance
absorption chiller - Answer device used to produce chill water using the absorption cycle
absorption cycle - Answer refrigeration cycle based upon the absorption of the refrigerant by a
chemical substance rather than by mechanical compression
absorption refrigerator - Answer a refrigerator that utilizes the principle of the absorption ctcle
, accessible hermetic - Answer a hermetically sealed unit that can be opened for repair and
maintenance. also referred to as semi-hermetic
accumulator - Answer a storage vessel located in the suction line before the compressor. used to limit
liquid refrigerant return to the compressor and store excess refrigerant in the heating mode
acetylene - Answer gas commonly used with oxygen for brazing and soldering
ACR tubing - Answer air conditioning and refrigeration tubing sealed on each end to keep the tubing
clean and dry
activated alumina - Answer an aluminum oxide desiccant used in refrigeration system driers to absorb
moisture
activated carbon - Answer specially processed carbon commonly used to clan air
active refrigerant recovery device - Answer a self contained recovery unit that is not an integral part of
the refrigeration system
active solar system - Answer a system designed to utilize solar energy
actuator - Answer a device used to convert fluid power,thermal energy, and electrical energy into
mechanical motion
adiabatic compression - Answer compressing refrigerant gas without removing or adding heat
adsorbent - Answer substance that has the property to hold molecule of fluids without causing a
chemical or physical change
air - Answer the fluid surrounding us composed mainly of oxygen and nitrogen
