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Environmental Engineering in CE

Environmental Engineering in CE
Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances.

None of these
Inorganic
Organic
Radioactive

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Environmental Engineering in CE
Presence of nitrates in water in excess of 50 ppm causes

Mathenoglobenemia
Tooth decay
Gastroentetitis
Asphyxiation

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Environmental Engineering in CE
Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels.

100
30
70
3

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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.

Phosphorous
Calcium
Fluorine
Sulphur

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Environmental Engineering in CE
Global warming may result in

Cyclone
All of these
Decrease in food productivity
Flood

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Environmental Engineering in CE
Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the

Green house effect
Forestation
Vegetation
Rain

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MORE MCQ ON Environmental Engineering in CE

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