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Environmental Engineering in CE

Environmental Engineering in CE
80% less than 200 mesh size particles are called

Powder
Smoke
Grit
Aggregates

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Environmental Engineering in CE
__________ can not control the noise pollution.

Green house gases
Tree plantation
Use of silencers
Vibration damping

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Environmental Engineering in CE
In water treatment plant, zeolite process is used to remove the __________ of water.

Iron & zinc
Hardness
Alkalinity
Acidity

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

Depletion of oxygen
Fire hazards
Explosion hazards
Undesirable plants growth

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Environmental Engineering in CE
Presence of a certain minimum quantity of flourine is desirable in potable water to prevent

Dental cavities
Scale formation
Water-borne disease
Corrosion

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Environmental Engineering in CE
Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called

Grit
Smoke
Powder
Dust

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