Q. Aerobic biological oxidation ponds used for the purification of polluted water
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Correct Answer: (D)
All (A), (B) & (C)
Environmental Engineering MCQs | Page - 3
Dear candidates you will find MCQ questions of Environmental Engineering here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to
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Correct Answer: (C)
Both (A) & (B)
Q. Aerosols present in atmospheric air may be
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Correct Answer: (D)
Combination of all (A), (B) & (C)
Q. Arsenic pollutant is not generated in _________ industries.
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Correct Answer: (C)
Beverages
Q. As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is _________ ΞΌg/m3.(ΞΌg-microgram)
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Correct Answer: (B)
90
Q. Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for
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Correct Answer: (D)
All (A), (B) and (C)
Q. Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in
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Correct Answer: (D)
All (A), (B) and (C)
Q. Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is
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Correct Answer: (D)
Both (B) and (C)
Q. Beyond what concentration of H2S in air, acute danger to human life exists?
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Correct Answer: (D)
700 ppm
Q. Biological oxidation ponds remove organic matters present in the polluted water by
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Correct Answer: (C)
Both (A) & (B)
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