HVAC Systems Quiz

What type of heating system is typically associated with underfloor pipes?

• Solar system

• Forced air system

• Hydronic system

• Electric coil system

Which heating system uses ducts and vents to distribute warm air throughout the house?

• Solar system

• Hydronic system

• Forced air system

• Passive infrared system

What is heat defined as in the context of Heat and Comfort?

• A unit of temperature

• A measure of intensity

• A form of energy

• A type of matter

What does temperature measure in the context of Heat and Comfort?

• The flow of heat energy

• The amount of heat required to raise the temperature

• The intensity of heat

• The quantity of heat

What does the British thermal unit (BTU) represent?

• The amount of heat required to raise 1 lb of water by 1°F

• The flow rate of heat in an hour

• The SI unit for heat quantity

• The SI unit for heat flow rate

What is the SI unit for heat quantity?

• BTU

• Fahrenheit

• Joules (J)

• Watts (W)

What is the SI unit for heat flow rate?

• BTU per hour

• Joules (J)

• Celsius

• Watts (W)

What is latent heat of fusion?

• The energy that causes a rise in temperature but does not alter the physical state of a substance.

• The energy used to convert water to steam.

• The energy required to change ice to water.

• The energy used to convert solid to gas directly.

What is latent heat of vaporization?

• The energy required to change ice to water.

• The energy that causes a rise in temperature but does not alter the physical state of a substance.

• The energy used to convert water to steam.

• The energy used to convert solid to gas directly.

According to the 1st Law of Thermodynamics, how does heat energy flow?

• From cold to hot

• In a circular motion

• From hot to cold

• Randomly