Aux 2 Unit 10 Quiz 1

Aux 2 Unit 10 Q1

1 / 9

What is "sensible heat" in the context of air conditioning?

A) Heat that changes the temperature of a substance without changing its state

C) Heat that is not measurable

B) Heat absorbed during a phase change

D) The energy required to convert liquid to gas

2 / 9

What does "cooling load" refer to in an air conditioning system?

D) The cooling effect from fans

C) The heat added by lighting

A) The power needed to run the compressor

B) The energy required to lower the temperature of a space to a comfortable level

3 / 9

What is meant by the term "heating load" in an air conditioning system?

D) The heat lost through the building envelope

A) The amount of energy required to cool the space

C) The amount of energy required to raise the temperature of a space to a desired level

B) The heat produced by electrical appliances

4 / 9

What is "absolute humidity" in the context of air conditioning?

B) The total heat content of the air

C) The ratio of the actual vapor pressure to the saturation vapor pressure

A) The mass of water vapor in a unit volume of air

D) The difference between dry and wet bulb temperatures

5 / 9

What does "latent heat" refer to in air conditioning?

A) The heat added by lighting fixtures

B) The heat that changes the temperature of a substance without a phase change

D) The energy released when a room is ventilated

C) The heat required for a substance to change its state without a temperature change

6 / 9

What is "specific humidity"?

C) The relative percentage of water vapor in the air

B) The mass of water vapor per unit mass of dry air

D) The difference between absolute humidity and relative humidity

A) The heat required to evaporate water

7 / 9

Which of the following is an example of sensible heat?

B) The energy released when water vapor condenses

A) The heat absorbed when ice melts

D) The heat released when steam changes to water

C) The heat felt when a room is heated by a radiator

8 / 9

Which of the following is an example of latent heat?

C) Cooling down a room with an air conditioner

B) The heat needed to boil water

A) Warming up the air with an electric heater

D) The heat absorbed when sunlight enters a room

9 / 9

Which of the following best illustrates specific humidity?

D) The difference in temperature between inside and outside air

C) The heat required for phase change

B) The weight of water vapor per kilogram of dry air

A) The amount of water in a given volume of air

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