Practice Thermodynamics In Real-world Applications (5) - Physics in The Real World (Applications)

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9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does thermodynamics study?
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Think about the relationship between heat and energy.
Question 2.
What cycle do refrigerators operate on?
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Consider how they keep our food cold.
3Question 3.
What is the primary focus of thermodynamics?
- Light and sound
- Heat and energy
- Motion and forces
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Look for the keywords in the section.
4Question 4.
The greenhouse effect is related to which of the following concepts?
- True
- False
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Think about how gases affect temperature.
Question 5.
Calculate the efficiency of a refrigerator that uses 250 Joules of energy to remove 150 Joules of heat. What does this imply about its performance?
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Think of the efficiency ratio regarding energy used.
Question 6.
Discuss the potential effects of increased greenhouse gas concentrations on global climate systems.
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Consider the overall impacts on various environmental factors.

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