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Environmental Engineering in CE

Environmental Engineering in CE
Main pollutants released from petroleum refineries is

CO₂, NO & SO₃
SO₃, NO₂ & CO₂
CO, SO₂ & H₂S
CO₂, H₂S & NO₂

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Environmental Engineering in CE
Hydrogen ion concentration in distilled water is

10⁻⁷
7 x 10⁷
10⁷
7 x 10⁻⁷

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Environmental Engineering in CE
Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.

Cadmium
Asbestos
Hydrogen sulphide
Mercury

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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.

60
90
20
120

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Environmental Engineering in CE
Inorganic impurities causing water pollution is

Salts of metals
Carbohydrates
Protein
Fats

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Environmental Engineering in CE
Presence of bacteria in potable (drinking) water causes

Disease
Bad taste & colour
Turbidity
Bad odour

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MORE MCQ ON Environmental Engineering in CE

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