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Environmental Engineering in CE

Environmental Engineering in CE
The earth's atmosphere is an envelope of gases present upto a height of about __________ kms.

1000
2000
10
200

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Environmental Engineering in CE
A man exposed to excessive noise level in the working environment may suffer from

Nervousness & fatigue
Rupture of ear drum
All of these
Hearing loss

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Environmental Engineering in CE
Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)?

Carbon monoxide
Benzopyrene
Peroxyacyl nitrate
Sulphur dioxide

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Environmental Engineering in CE
Fresh sewage is __________ in nature.

Alkaline
Highly acidic
Acidic
Neutral

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Environmental Engineering in CE
Which is the most widely used coagulant for the treatment of turbid water?

Ferric chloride
Alum (aluminium sulphate)
Sodium aluminate
Lime

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Environmental Engineering in CE
Average human body contains about __________ percent water by weight.

85
20
70
40

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MORE MCQ ON Environmental Engineering in CE

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