A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is______. - Waste Water Engineering Quiz

Civil Engineering : Waste Water Engineering - Quiz(MCQ)

A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is______.

A)

2.30 m

B)

2.40 m

C)

2.45 m

D)

2.50 m

Correct Answer : 2.45 m

Recently Updated in Waste Water Engineering Questions

What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?

A)

Algae growth

B)

Eutrophication

C)

Denitrification

D)

Nitrification

Correct Answer : Option (B) : Eutrophication

Explanation : Eutrophication is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of water quality. The untreated wastewater is rich in organic matter which demands oxygen.

5 days-biochemical oxygen demand (BODâ‚…) is taken at a temperature of

A)

0°C

B)

15°C

C)

20°C

D)

25°C

Correct Answer : Option (C) : 20°C

Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for

A)

unexpected increase in the population

B)

under estimates of maximum and average flows

C)

unexpected large scale infiltration of stream water

D)

All of the above

Correct Answer : Option (D) : All of the above

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