In facultative stabilization pond, the sewage is treated by________________?

Byadmin January 17, 2019June 4, 2021

In facultative stabilization pond, the sewage is treated by________________?

A. aerobic bacteria only
B. algae only
C. dual action of aerobic bacteria and anaerobic bacteria(Correct)
D. sedimentation

Environmental Engineering

Most suitable section of sewer in separate sewage system is________________?

Most suitable section of sewer in separate sewage system is________________?

A. rectangular section
B. circular section(Correct)
C. standard form of egg shaped sewer
D. modified egg shaped section

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Environmental Engineering

In water treatment, rapid gravity filters are adopted to remove_______________?

In water treatment, rapid gravity filters are adopted to remove_______________?

A. dissolved organic substances
B. dissolved solids and dissolved gases
C. floating solids and dissolved inorganic solids
D. bacteria and colloidal solids(Correct)

Read More In water treatment, rapid gravity filters are adopted to remove_______________?
CHEMICAL ENGINEERING | Environmental Engineering

Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called

Question: Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called
[A].

thermosphere
[B].
stratosphere
[C].
troposphere
[D].
mesosphere

Answer: Option B

Explanation:

No answer description available for this question.

Read More Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called
CHEMICAL ENGINEERING | Environmental Engineering

Arsenic pollutant is not generated in____industries.

Question: Arsenic pollutant is not generated in____industries.
[A].

tanneries
[B].
glass & ceramic
[C].
beverages
[D].
any of these.

Answer: Option C

Explanation:

No answer description available for this question.

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Environmental Engineering

The phenolic compounds in public water supply should not be more than_______________?

The phenolic compounds in public water supply should not be more than_______________?

A. 0.1 ppm
B. 0.01 ppm
C. 0.001 ppm
D. 0.0001 ppm

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Environmental Engineering

The suitable layout of distribution system for a city with roads of rectangular pattern is______________?

The suitable layout of distribution system for a city with roads of rectangular pattern is______________?

A. grid iron system
B. dead end system
C. ring system
D. radial system

Read More The suitable layout of distribution system for a city with roads of rectangular pattern is______________?

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