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Environmental Engineering in CE

Environmental Engineering in CE
Presence of soluble organics in polluted water causes

Explosion hazards
Depletion of oxygen
Fire hazards
Undesirable plants growth

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Environmental Engineering in CE
Presence of iron and manganese in water causes

Temporary hardness
Discoloration of bathroom fixtures
None of these
Reduction in its dissolved oxygen content

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Environmental Engineering in CE
What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries?

None of these
Radioactive substances
Natural organic products
Inorganic pollutants

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Environmental Engineering in CE
Presence of dissolved impurities of __________ is responsible for the red brownish color of water.

Carbonates
Arsenic
Iron & manganese
Bi-carbonates

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Environmental Engineering in CE
The maximum CO₂ is emitted into the atmosphere by

Combustion
Biomass burning
Urea
Trees

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Environmental Engineering in CE
In water treatment, alum[Al2(SO₄)3] is used for the process of

Sedimentation
Coagulation
Disinfection
Filtration

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MORE MCQ ON Environmental Engineering in CE

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