HVAC Quiz

What type of control system is used in modern HVAC systems to automatically adjust temperature settings?

• Manual control

• Automatic thermostat

• Remote control

• Timer control

Tags

NGSS.MS-PS3-3

What is the function of the refrigerant in an HVAC system?

• To heat the air

• To absorb and release heat

• To filter the air

• To control humidity

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following components in an HVAC system is responsible for the phase change of the refrigerant from liquid to gas?

• Compressor

• Evaporator

• Condenser

• Thermostat

Tags

NGSS.MS-PS1-4

Which principle of thermodynamics is primarily utilized in the operation of an air conditioner?

• The First Law of Thermodynamics

• The Second Law of Thermodynamics

• The Third Law of Thermodynamics

• The Zeroth Law of Thermodynamics

Tags

NGSS.MS-PS3-3

In an HVAC system, what is the role of the expansion valve?

• To increase the pressure of the refrigerant

• To decrease the pressure of the refrigerant

• To filter the air

• To control the humidity

Tags

NGSS.HS-PS3-4

Which of the following is a key benefit of using a programmable thermostat in a residential HVAC system?

• Increased energy consumption

• Reduced energy consumption

• Increased manual adjustments

• Reduced air quality

Tags

NGSS.MS-PS3-3

What is the primary purpose of ventilation in an HVAC system?

• To cool the air

• To heat the air

• To circulate and exchange indoor air with outdoor air

• To filter the air

Which component in an HVAC system is responsible for compressing the refrigerant and increasing its pressure?

• Evaporator

• Condenser

• Compressor

• Thermostat

Which of the following is NOT a principle of HVAC systems?

• Heat transfer

• Fluid dynamics

• Electrical conductivity

• Thermodynamics

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following is a common type of automatic thermostat used in residential HVAC systems?

• Mercury switch thermostat

• Programmable thermostat

• Manual dial thermostat

• Bimetallic strip thermostat