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Civil Engineering : Waste Water Engineering - Quiz(MCQ)
Non-spherical particles will settle _______ spherical particles.
A)
Same as
B)
Equal as
C)
Faster than
D)
Slower than

Correct Answer :   Slower than

Explanation : Non-spherical particles will settle more slowly than spherical particles of the same volume and density. For all flow conditions other than laminar the drag coefficient is also a function of the shape of the particle and must be determined experimentally.

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

Civil Engineering MCQ's

Building Materials
Building Construction
Surveying
Concrete Technology
Soil Mechanics
Applied Mechanics
Strength of Materials
Hydraulics
RCC Structures Design
Steel Structure Design
Irrigation
Highway Engineering
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SI Units
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Tunneling
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