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The ventilation of building is necessary...

The ventilation of building is necessary for

A

entry of outside oxygen

B

removing `co_2` exhaled by us

C

entry of outside moisture

D

entry of outside heat and light

Text Solution

Verified by Experts

The correct Answer is:
B
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BINA LIBRARY-THERMAL PROPERTIES OF MATTER -EXERCISE
  1. With increase in pressure ,the melting point of substance which contra...

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  2. A closed bottle containig water 30°C is carried to the moon in sa spac...

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  3. The ventilation of building is necessary for

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  4. The melting point of an alloy is usually

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  5. What is the effect of increase of pressure on melting point of ice?

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  6. Boiling point of water

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  7. A marble floor appears cold than a cemented floor, because marble has

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  8. Air is heated by

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  9. A perfect black body

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  10. The essence of kirchoff's law is that

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  11. The total radiation emitted by a perfectly black body is proportional ...

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  12. Conversion of heat into electrical energy can be achieved by Accroding...

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  13. Accroding to newton's law of cooling (provided the difference of tempe...

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  14. An ideal material for making cooking vessels must have

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  15. A hot body will radiate heat most rapidly ,if its surface is

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  16. If the temperature of sun is doubled,the rate of energy received on ea...

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  17. which of the following cylindrical rods will conduct most heat,when th...

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  18. Two spheres of same material have radii 1 m and 4m and temperature 400...

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  19. A black body at a high temperature T radiates energy at the rate of E....

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  20. A spherical black body with radius 12 cm radiates 450 W power at 500K,...

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