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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define convection.
💡 Hint: Think about how heat moves in water.
Question 2
Easy
What is the significance of boundary layers in convection?
💡 Hint: Consider layers in fluids near surfaces.
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
Which equation is NOT used in convection analysis?
- Continuity Equation
- Energy Equation
- Navier-Stokes Equation
- Bernoulli's Equation
💡 Hint: Consider the equations concerned with fluid motion.
Question 2
True or False: The Nusselt number represents the ratio of conductive to convective heat transfer.
- True
- False
💡 Hint: Reflect on what Nusselt measures for heat transfer.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A vertical plate is heated such that its surface temperature is 60°C and the ambient air is at 20°C. Calculate the Grashof number if the height of the plate is 2 m.
💡 Hint: Use the provided values and convert the temperatures to Kelvins where necessary.
Question 2
Given a fluid flow characterized by Re = 1500 and Pr = 0.75, calculate the Nusselt number for laminar flow over a flat plate.
💡 Hint: Use the laminar correlations for flat plate flow.
Challenge and get performance evaluation