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Name the mode of transfer of heat in the...

Name the mode of transfer of heat in the vacuum

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ICSE-HEAT-TEST YOURSELF (SHORT/LONG ANSWER TYPE QUESTIONS)
  1. Name the mode of transfer of heat in the liquid

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  2. Name the mode of transfer of heat in the gas

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  3. Name the mode of transfer of heat in the vacuum

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  4. What are good and bad conductors of heat ? Give two examples of each.

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  5. Name a liquid which is a good conductor of heat.

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  6. Name a solid which is a good conductor of heat.

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  7. Select good and bad conductors of heat from the following: copper, mer...

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  8. Why is an oven made of double walls with the space in between filled w...

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  9. Why do we use cooking utensils made up of copper ?

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  10. Why is a tea kettle provided with an ebonite handle ?

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  11. In summer, ice is kept wrapped in a gunny bag. Explain the reason.

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  12. Explain why we wear woolen clothes in winter ?

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  13. Explain why the water pipes are covered with cotton during very cold w...

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  14. Why are quilts filled with fluffy cotton ?

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  15. State the direction of heat transfer by way of convection.

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  16. Ventilators are built high up in a room. Give reason.

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  17. Why are chimneys provided over furnaces in factories?

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  18. What are land and sea breezes ? Explain their formation.

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  19. Why is the freezing chest in a refrigerator fitted near its top ?

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  20. Explain briefly the process of heat transfer by radiation.

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