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How do you define thermal conductivity ?...

How do you define thermal conductivity ? Obtained it's unit and dimensional formula.

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MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
  1. Distinguish between Emissive power and absorptive power.

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  2. Distinguish between land breeze and sea breeze.

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  3. How do you define thermal conductivity ? Obtained it's unit and dimens...

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  4. Discuss the flow of heat in a bar and define it's steady state.

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  5. What is convection ?

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  6. How radiant emittance of a body is connected to emissive power ? Expla...

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  7. State and explain Newton's laws of cooling. Express it mathematically ...

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  8. What is a black body ? State it's characteristics and properties.

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  9. What is Stefan's law ? Give it's mathematical term and explain that em...

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  10. State Kirchhoff's law of heat radiation.

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  11. Define absorptive power, reflective power and transmitting power, obta...

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  12. What are the properties of thermal radiations .

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  13. Explain the theory of heat exchange and explain why a man near a furna...

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  14. Why the bottom of a cooking vessel in made black ?

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  15. Explain why iron is colder to touch than wood in winter.

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  16. What is meant by a black body ?

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  17. Why are white clothes preferred to black ones during summer ?

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  18. Explain why a piece of metal feels cooler than a piece of wood in wint...

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  19. State Kirchhoff's law of radiation.

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  20. What is emissive power ?

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