Practice Convection (1.2) - Modes Of Heat Transfer - Heat Transfer & Thermal Machines
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Convection

Practice - Convection

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is convection?

💡 Hint: Think of how heat moves in fluids.

Question 2 Easy

Name one example of natural convection.

💡 Hint: Consider what happens to hot air.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of convection happens without external force?

Other Convection
Forced Convection
Natural Convection

💡 Hint: What happens when hot air rises?

Question 2

Newton's Law of Cooling describes which process?

True
False

💡 Hint: Does it relate to heat transfer?

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A fluid with a heat transfer coefficient of 15 W/m²K flows over a surface at 70°C. If the surrounding fluid is at 30°C, what is the heat transfer rate across an area of 3 m²?

💡 Hint: Apply the convection formula you learned.

Challenge 2 Hard

Discuss how the concept of convection applies to the cooling of electronic devices.

💡 Hint: Consider the mechanisms in electronic gadgets.

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Reference links

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