Sewerage system is usually designed for_________________?

Question: In water treatment plant, zeolite process is used to remove the __________ of water.
[A].

acidity

[B].

alkalinity

[C].

hardness

[D].

iron & zinc

Answer: Option C

Explanation:

No answer description available for this question.

Question: In sewage treatment, its sedimentation is speeded up by commonly adding
[A].

hydrochloric acid.

[B].

lime.

[C].

copper sulphate.

[D].

sodium sulphate.

Answer: Option B

Explanation:

No answer description available for this question.

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.