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Environmental Engineering

Environmental Engineering
The most common cause of acidity in water is

Hydrogen
Nitrogen
Carbon dioxide
Oxygen

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Environmental Engineering
The per capital consumption of a locality is affected by (i) Climatic conditions (ii) Quality of water (iii) Distribution pressure

Only (i)
Both (i) and (ii)
All (i), (ii) and (iii)
Both (i) and (iii)

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Environmental Engineering
The settling velocity of a particle in a sedimentation tank depends on

Both depth and surface area of tank
Surface area of tank
None of these
Depth of tank

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Environmental Engineering
An egg shaped section of sewer

Is easy to construct
Provides self cleansing velocity at low discharges
Is more stable than circular section
Is economical than circular section

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Environmental Engineering
The detention period for oxidation ponds is usually kept as

10 to 15 days
3 months
24 hours
48 hours

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Environmental Engineering
Sewerage system is usually designed for

26 years
27 years
28 years
25 years

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MORE MCQ ON Environmental Engineering

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