HVAC Hydronic Heat

What is the primary function of a hydronic heating system in HVAC?

• To cool the air in a building

• To heat water and distribute it for space heating

• To ventilate indoor air

• To dehumidify the air

Which component in a hydronic heating system is responsible for circulating water?

• Thermostat

• Pump

• Radiator

• Boiler

Tags

NGSS.MS-PS3-3

In a hydronic heating system, what is the role of the boiler?

• To cool the water

• To heat the water

• To circulate the water

• To filter the water

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What type of energy transfer occurs in a radiator of a hydronic heating system?

• Conduction

• Convection

• Radiation

• All of the above

Which of the following is a common fluid used in hydronic heating systems?

• Freon

• Antifreeze

• Water

• Mercury

What is the advantage of using a hydronic heating system over a forced-air system?

• Lower installation cost

• Quieter operation

• Faster heating

• Better air filtration

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NGSS.MS-ETS1-2

How does a thermostat function in a hydronic heating system?

• It circulates the water

• It heats the water

• It controls the temperature by regulating the boiler

• It filters the water

What is the typical temperature range for water in a hydronic heating system?

• 30-40°C

• 50-60°C

• 70-80°C

• 90-100°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which scientific principle explains the operation of a hydronic heating system?

• Newton's First Law

• Bernoulli's Principle

• The Second Law of Thermodynamics

• Archimedes' Principle

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NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the purpose of an expansion tank in a hydronic heating system?

• To store extra water

• To allow for water expansion when heated

• To filter impurities

• To increase water pressure