Uses of Heat

Question 1

Which is a source of thermal energy for a heat pump?

Revolt · Accepted Answer

air

Question 2

Which describes what happens when fuel is ignited in a heat engine?

Revolt · Accepted Answer

Chemical energy is converted into thermal energy.

Question 3

Which burns fuel to release thermal energy?

Revolt · Accepted Answer

combustion

Question 4

Which is a liquid that is used to absorb and release thermal energy?

Revolt · Accepted Answer

coolant

Question 5

Which best describes why heat pumps are reversible?

Revolt · Accepted Answer

They can heat and cool an indoor space.

Question 6

Which source of energy do refrigeration systems and heat pumps have in common?

Revolt · Accepted Answer

air

Question 7

Which causes the thermal energy in a building to decrease?

Revolt · Accepted Answer

the heat pump and the air conditioner

Question 8

Which best describes what a refrigeration system would do?

Revolt · Accepted Answer

It moves the thermal energy to another place.

Question 9

Levi is installing a heat pump. He installed the pipes two feet deep. He then installed the unit within the house and installed a thermostat inside to regulate the heat pump. Lastly, he installed a furnace in the basement.Which best describes Levi’s errors?

Revolt · Accepted Answer

The pipes need to be at least six feet deep to avoid the freezing ground, and he did not need to install a furnace.

Question 10

Which refers to the process of going against the natural flow of heat and moving thermal energy from a low temperature to a high temperature?

Revolt · Accepted Answer

refrigeration

Uses of Heat Answers

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