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Environmental Engineering in CE

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

Sulphur
Phosphorous
Calcium
Fluorine

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

Sodium aluminate
Lime
Ferric chloride
Alum (aluminium sulphate)

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Environmental Engineering in CE
Which of the following is an adsorbant for removal of nitrogen oxides from gas/air?

Bog iron (iron oxide)
Pulverised limestone
Silica gel
Active carbon

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Environmental Engineering in CE
Which of the following is a secondary air pollutant?

Dust particles
Nitrogen dioxide
Photochemical smog
Sulphur dioxide

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Environmental Engineering in CE
Pick out the one which is not a chemical coagulant.

Ferrous sulphate
Hydrated lime
Aluminium sulphate
Chloramine

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Environmental Engineering in CE
Which of the following is not an air pollutant?

Metallic powders
Ozone
Pesticides
Carcinogens

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MORE MCQ ON Environmental Engineering in CE

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