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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a view factor?
π‘ Hint: Think about radiation exchange.
Question 2
Easy
What does the reciprocity property state?
π‘ Hint: Consider how surfaces relate to each other.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What term describes the fraction of radiation from one surface that strikes another?
- Absorptivity
- View Factor
- Reflectivity
π‘ Hint: Consider the exchange of energy between surfaces.
Question 2
True or False: The summation of view factors from one surface to all others equals 100%.
- True
- False
π‘ Hint: Think about the meaning of whole versus part.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a thermal system where two surfaces, A and B, have areas of 10 m2 and 20 m2 respectively, and the view factors are F12 = 0.3 and F21 = 0.6. Verify if the reciprocity condition holds.
π‘ Hint: Remember to calculate the products carefully to check reciprocity.
Question 2
You have a system of 5 surfaces where the view factor from surface 1 to others adds to 1.2. What does this signify about your calculations?
π‘ Hint: Analyze your summation to see where extra fractions might have come from.
Challenge and get performance evaluation