HVAC Quiz

Which energy efficiency strategy involves adjusting the thermostat setting when the house is unoccupied to save energy?

• Zoning

• Night setback

• Demand response

• Seasonal adjustment

Tags

NGSS.MS-PS3-3

Which component of an HVAC system is responsible for removing heat from the refrigerant?

• Compressor

• Evaporator Coil

• Condenser Coil

• Expansion Valve

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What type of HVAC system uses ducts to distribute air throughout the home?

• Ductless Mini-Split System

• Central Air Conditioning System

• Window Air Conditioner

• Portable Air Conditioner

What is the main benefit of using a variable-speed HVAC system?

• Lower initial cost

• Consistent temperature control and energy efficiency

• Easier installation

• No need for regular maintenance

Tags

NGSS.MS-PS3-3

Which type of HVAC system is most suitable for homes without existing ductwork?

• Central Air Conditioning System

• Ductless Mini-Split System

• Window Air Conditioner

• Portable Air Conditioner

Which energy efficiency strategy involves using natural ventilation to cool the home?

• Night setback

• Zoning

• Free cooling

• Demand response

What is the primary purpose of an air filter in an HVAC system?

• To regulate temperature

• To remove contaminants from the air

• To increase humidity

• To reduce noise

What are the different types of soldering techniques used in HVAC?

• Welding, soldering, and brazing

• Soft soldering, brazing, and silver soldering

• Bolting, stapling, and adhesive bonding

• Adhesive bonding, riveting, and welding

Explain the difference between soldering and brazing in the context of HVAC.

• Soldering uses a lower temperature and a filler metal with a melting point below 840°F, while brazing uses a higher temperature and a filler metal with a melting point above 840°F.

• Soldering and brazing are the same process with different names.

• Soldering and brazing both use the same temperature and filler metal.

• Soldering uses a higher temperature and a filler metal with a melting point above 840°F, while brazing uses a lower temperature and a filler metal with a melting point below 840°F.

What are the common materials used for HVAC soldering?

• Solder, flux, and a soldering iron

• Wood, plastic, and paper

• Duct tape, super glue, and rubber bands

• Aluminum foil, chewing gum, and shoelaces

Tags

NGSS.MS-PS3-3