Environmental Engineering

Sewerage system is designed for_______________?

Byadmin January 17, 2019June 4, 2021

Sewerage system is designed for_______________?

A. maximum flow only
B. minimum flow only
C. average flow only
D. maximum and minimum flow(Correct)

CHEMICAL ENGINEERING | Environmental Engineering

Noise level inside a jet air liner in normal flight is about __________ decibels.

Question: Noise level inside a jet air liner in normal flight is about __________ decibels.
[A].

80
[B].
100
[C].
125
[D].
145

Answer: Option B

Explanation:

No answer description available for this question.

Read More Noise level inside a jet air liner in normal flight is about __________ decibels.
CHEMICAL ENGINEERING | Environmental Engineering

In the context of the chemical process industries, the term BOD is normally associated with the

Question: In the context of the chemical process industries, the term BOD is normally associated with the
[A].

characterisation of solid wastes.
[B].
organic concentration in gaseous effluents.
[C].
characterisation of liquid effluents.
[D].
characterisation of boiler feed water.

Answer: Option C

Explanation:

No answer description available for this question.

Read More In the context of the chemical process industries, the term BOD is normally associated with the
Environmental Engineering

The detention period for oxidation ponds is usually kept as______________?

The detention period for oxidation ponds is usually kept as______________?

A. 4-8 hours
B. 24 hours
C. 10 to 15 days(Correct)
D. 3 months

Read More The detention period for oxidation ponds is usually kept as______________?
Environmental Engineering

Facultative bacteria are able to work in________________?

Facultative bacteria are able to work in________________?

A. presence of oxygen only
B. absence of oxygen only
C. presence as well as in absence of oxygen
D. presence of water

Read More Facultative bacteria are able to work in________________?
CHEMICAL ENGINEERING | Environmental Engineering

80% less than 200 mesh size particles are called

Question: 80% less than 200 mesh size particles are called
[A].

smoke
[B].
powder
[C].
grit
[D].
aggregates

Answer: Option B

Explanation:

No answer description available for this question.

Read More 80% less than 200 mesh size particles are called
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.

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