Heat Transfer MCQ

Practice the most important Heat Transfer MCQ MCQs with answers and detailed explanations to improve your preparation.

Q1. What is heat transfer?

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Q2. Which of the following is NOT a method of heat transfer?

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Q3. Heat transfer through solids occurs mainly by:

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Q4. The rate of heat transfer through conduction is given by:

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Q5. The unit of thermal conductivity is:

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Q6. Convective heat transfer is produced by:

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Q7. The heat transfer coefficient in convection depends on:

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Q8. Which law models the heat radiation from a blackbody?

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Q9. The emissivity of a surface is defined as:

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Q10. Heat transfer by radiation requires:

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Q11. In a composite wall, the overall thermal resistance is:

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Q12. In heat exchanger design, fouling factor accounts for:

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Q13. The Nusselt number is a dimensionless number representing:

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Q14. In forced convection, heat transfer is enhanced by:

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Q15. The critical radius of insulation is:

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Q16. The Biot number is used to assess:

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Q17. The overall heat transfer coefficient combines:

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Q18. The Prandtl number relates:

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Q19. Radiation heat transfer between two surfaces depends on:

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Q20. In laminar flow over a flat plate, the thermal boundary layer is:

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Q21. In conduction, the temperature distribution in steady state through a plane wall is:

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Q22. The effectiveness of a heat exchanger is defined as:

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Q23. In boiling heat transfer, the surface is:

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Q24. The Rayleigh number relates to:

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Q25. Thermal diffusivity is:

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Q26. The Stefan-Boltzmann constant value is approximately:

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Q27. Fins are used to:

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Q28. The convective heat transfer coefficient, h, increases with:

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Q29. The parallel flow heat exchanger has:

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Q30. In a counterflow heat exchanger, the temperature profile is:

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