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A fan produces a feeling of comfort beca...

A fan produces a feeling of comfort because

A

A fan supplies cool air

B

Due to evaporation of sweat

C

Fan cools the air

D

Fan increases the humidity in air

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
  1. Some quantity of heat is given to a substance. The quantity which dete...

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  2. In a pressure cooker the cooking is fast because

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  3. A fan produces a feeling of comfort because

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  4. Iron, lead and brass spheres of equal masses are heated to a common te...

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  5. A gas is heated first keeping the pressure constant and then keeping t...

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  6. If a bullet is suddenly stopped the rise in temperature is independent...

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  7. The triple point for water is

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  8. Ice, water and steam co-exist at triple point temperature 273.16 K and...

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  9. Of the following the fastest process of heat transfer is

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  10. S.I. Unit of temperature gradient is

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  11. Amount of heat conducted through a metal rod is directly proportional ...

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  12. Coefficient of thermal conductivity

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  13. For an Ideal conductor, thermal resistance is

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  14. When a metal rod attains same temperature through out its length, then...

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  15. Under steady state of conduction, the temperature at a cross-section o...

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  16. During severe winter in the low temperature zones of the world, the su...

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  17. The two ends of a metal rod are maintained at temperatures 100^(@)Cand...

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  18. Two identical bodies are made of a material for which the heat capacit...

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  19. Which of the following combination of properties would be most desirab...

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  20. While measuring the thermal conductivity of a liquid we keep the upper...

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