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Environmental Engineering in CE

Environmental Engineering in CE
If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur.

1000
3000 (i.e. 0.3%)
500
50

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Environmental Engineering in CE
Presence of excess flourine in water causes

Fluorosis
Dental cavity
Respiratory disease
Tooth decay

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Environmental Engineering in CE
Carbon monoxide is a pollutant, which causes

Asphyxiation (suffocation) leading to death
Damage to building materials like marble
Respiratory disease (e.g. asthma)
Retardation in crop growth

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Environmental Engineering in CE
The commonest form of iron & manganese found in ground water as pollutant is in the form of their

Carbonates
Sulphides
Chlorides
Bi-carbonates

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

Explosion hazards
Undesirable plants growth
Depletion of oxygen
Fire hazards

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Environmental Engineering in CE
Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels.

120
150
180
90

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MORE MCQ ON Environmental Engineering in CE

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