Exam-style question
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In a heat pump, what is the role of the refrigerant?.
- A.To absorb heat from the exterior and release it indoors.
- B.To generate electricity for the system.
- C.To act as an insulator preventing heat loss.
- D.To maintain a constant temperature throughout the system.
Model answer
What a good answer should say
- To absorb heat from the exterior and release it indoors.
Explanation
Why this works
The refrigerant in a heat pump circulates through the system, absorbing heat from the outside environment and releasing it indoors, effectively transferring thermal energy.
Common mistake
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