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Environmental Engineering

Environmental Engineering
The characteristics of fresh and septic sewage respectively are

Acidic and alkaline
Alkaline and acidic
Both alkaline
Both acidic

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Environmental Engineering
The suitable layout of a distribution system for irregularly growing town is

Ring system
Grid iron system
Radial system
Dead end system

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Environmental Engineering
If the sewage contains grease and fatty oils, these are removed in

Detritus tanks
Sedimentation tanks
Skimming tanks
Grit chambers

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Environmental Engineering
The rate of BOD exerted at any time is

Directly proportional to BOD satisfied
Inversely proportional to BOD remaining
Inversely proportional to BOD satisfied
Directly proportional to BOD remaining

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Environmental Engineering
The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is

Infinite
1
100
Zero

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Environmental Engineering
Sewerage system is usually designed for

27 years
28 years
26 years
25 years

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MORE MCQ ON Environmental Engineering

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