HAC vocabulary quiz 17

What is refrigerant velocity?

• The rate at which refrigerant is moving at a given point in a system

• The amount of heat a given quantity of refrigerant will absorb

• The percentage of water vapor present in a given quantity of air

• The transfer of heat from a place where it is not wanted to a place where its presence is not undesirable

What is the refrigeration effect?

• The percentage of water vapor present in a given quantity of air

• The rate at which refrigerant is moving at a given point in a system

• The amount of heat a given quantity of refrigerant will absorb

• The transfer of heat from a place where it is not wanted to a place where its presence is not undesirable

What is relative humidity?

• The transfer of heat from a place where it is not wanted to a place where its presence is not undesirable

• The percentage of water vapor present in a given quantity of air

• The amount of heat a given quantity of refrigerant will absorb

• The rate at which refrigerant is moving at a given point in a system

What is a relay used for in HVAC systems?

• To absorb heat in changing from a liquid to a vapor

• To open and close an electrical circuit

• To transfer heat from one place to another

• To measure the percentage of water vapor in the air

What is the purpose of refrigeration in HVAC systems?

• To absorb heat in changing from a liquid to a vapor

• To transfer heat from one place to another

• To measure the percentage of water vapor in the air

• To open and close an electrical circuit