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Environmental Engineering in CE

Environmental Engineering in CE
Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels.

20
120
90
60

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Environmental Engineering in CE
World environment day is observed every year on the 5th of

July
June
December
September

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Environmental Engineering in CE
Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm.

20
100
400
200

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Environmental Engineering in CE
Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called

Mists
Aerosols
Fumes
Smoke

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

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

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Environmental Engineering in CE
Fluorosis is caused due to the presence of excessive amount of __________ in drinking water.

Arsenic
Mercury
Lead
Fluoride

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MORE MCQ ON Environmental Engineering in CE

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