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Environmental Engineering in CE

Environmental Engineering in CE
Aerosols present in atmospheric air may be

Positively charged
Negatively charged
Neutral
Combination of all A, B & C

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Environmental Engineering in CE
Iron & manganese present in the polluted water is removed by

Chemical coagulation
Chlorination only
Simple filtration
Oxidation followed by settling & filtration

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Environmental Engineering in CE
Removal of __________ results from the disinfection of water.

Odour
Turbidity
Hardness
Bacteria

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Environmental Engineering in CE
High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes

Respiratory disease (e.g., asthma)
Cancer
Silicosis
Reduced crop yield

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Environmental Engineering in CE
Exposure to SO₂ containing chimney gases results in the

Increased drying & hardening time of paints
Reduction in strength of leather & cloth
Acceleration of corrosion rates of metals
All of these

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Environmental Engineering in CE
__________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.

Sulphur
Fluorine
Phosphorous
Calcium

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MORE MCQ ON Environmental Engineering in CE

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