Practice Basics Of Thermodynamics And Heat Transfer (2)

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9 questions

Flashcard drill
3 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 the First Law of Thermodynamics state?
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Think about conservation of energy.
Question 2.
Name the three methods of heat transfer in solar thermal systems.
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Remember the process of how heat moves.
3Question 3.
What does the Second Law of Thermodynamics state?
- True
- False
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Consider inherent realities of energy transfer.
4Question 4.
Which of the following is not a method of heat transfer?
- Convection
- Condensation
- Conduction
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Focus on what methods there are.
Question 5.
A solar thermal system has an efficiency of 70%. If the energy input is 1000 J, how much useful energy output can be expected?
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Use the formula for efficiency.
Question 6.
Consider a solar collector with an insulated surface. Discuss the potential effects of insulation on conduction losses.
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Think about how heat flows from hot to cold.

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