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Environmental Engineering in CE

Environmental Engineering in CE
TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes

Bronchitis
Bone disease
Cancer
Skin disorder

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Environmental Engineering in CE
Salt content in sea water is about __________ percent.

0.5
10
1
3.5

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Environmental Engineering in CE
__________ is the process of killing organism in water.

Sedimentation
Sterilisation
Disinfection
Coagulation

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Environmental Engineering in CE
Which of the following pollutants is not emitted during volcanic eruptions?

Hydrocarbons
SO₂
CO
H₂S

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Environmental Engineering in CE
Foul odour and bad taste of water is removed by treating with

Alum
Activated carbon
Copper sulphate
Bleaching powder

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Environmental Engineering in CE
Pick out the wrong statement pertaining to 'green house' for the plants.

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