A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the

Question: A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the
[A].

global warming

[B].

green house

[C].

atmospheric effect

[D].

ionosphere

Answer: Option B

Explanation:

No answer description available for this question.

On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because

Question: On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because
[A].

of clotting of blood.

[B].

of jamming of respiratory tract.

[C].

it forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen.

[D].

it forms CO2 by combining with oxygen present in the blood.

Answer: Option C

Explanation:

No answer description available for this question.

Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.

Question: Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.
[A].

reduce SO2 content in

[B].

catalytically convert SO2 to SO3 in

[C].

increase the dew point of

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.