Environmental Engineering

Disinfection of water results in______________?

Byadmin January 17, 2019August 13, 2021

Disinfection of water results in______________?

A. removal of turbidity
B. removal of hardness
C. killing of disease bacteria
D. complete sterilisation

CHEMICAL ENGINEERING | Environmental Engineering

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

Question: Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
[A].

forestation
[B].
rain
[C].
green house effect
[D].
vegetation

Answer: Option C

Explanation:

No answer description available for this question.

Read More Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
CHEMICAL ENGINEERING | Environmental Engineering

Operating principle of cyclone separator is based on the action of __________ dust particles.

Question: Operating principle of cyclone separator is based on the action of __________ dust particles.
[A].

diffusion of
[B].
centrifugal force on
[C].
gravitational force on
[D].
electrostatic force on

Answer: Option B

Explanation:

No answer description available for this question.

Read More Operating principle of cyclone separator is based on the action of __________ dust particles.
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.

Read More Arsenic pollutant is not generated in____industries.
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

Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels.

Question: Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels.
[A].

105
[B].
135
[C].
160
[D].
185

Answer: Option B

Explanation:

No answer description available for this question.

Read More Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels.
Environmental Engineering

If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be__________________?

If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be__________________?

A. 4 mm/hr
B. lOmm/hr
C. 20 mm/hr
D. 40 mm/hr(Correct)

Read More If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be__________________?

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